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proportionality

in mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant
Class type of: dependency Q51379

Facts

7 properties
Instance of
relative quality
Subclass of
dependency[2]
Depicted by
∷[7]
Different from
proportional representation[8]
Maintained by WikiProject
WikiProject Mathematics[9]
Notation
double colon, ∝, ~[4][5][6]
Opposite of
inverse proportionality[3]
🏷️ Also known as
en proportionality en linearity en proportional to ar تناسب cs proporcionalita cs úměrnost da Proportionalitet de Proportionalität de proportional el Αναλογία es proporcionalidad es proporcional a fi verrannollinen fi verrannollisuus fr proportionnalité fr proportionnel à he יחס ישר hi समानुपात hi अनुपातिक सङ्ख्या hu arányosság
🔖 Identifiers · 13
OpenAlex ID
C2993311118
Encyclopædia Britannica Online ID
topic/proportionality
Freebase ID
/m/0l1g0
Great Norwegian Encyclopedia ID
proporsjon
KBpedia ID
Proportion
Lex ID
proportionalitet
MathWorld ID
Proportional
Microsoft Academic ID (discontinued)
205942526
NL CR AUT ID
ph1121878
Topic's main category
Category:Proportionality
Vikidia article ID
fr:Bangmeninghhong
WordNet 3.1 Synset ID
13846887-n
Show all 13 identifiers +1
Zhihu topic ID
19626452

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
← Has characteristic 5
United States House of Representatives, linear map, House of Representatives, Chamber of Deputies of Romania, Proportional control
Subtypes 3
inverse proportionality, degressive proportionality, direct proportionality
Different from 1
proportional representation
Examples 1
Stefan-Boltzmann constant
Maintained by WikiProject 1
WikiProject Mathematics
Opposite of 1
inverse proportionality
← Depicts 1
linearity
← Different from 1
proportional representation
← Manifestation of 1
linear map
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Summary

proportionality is a relative quality[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). proportionality. Retrieved November 7, 2026, from https://4ort.xyz/entity/proportionality
MLA “proportionality.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Nov. 2026, https://4ort.xyz/entity/proportionality.
BibTeX @misc{4ortxyz_proportionality_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{proportionality}}, year = {2026}, url = {https://4ort.xyz/entity/proportionality}, note = {Accessed: 2026-11-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): proportionality — https://4ort.xyz/entity/proportionality (retrieved 2026-11-07)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21w ago · Humoyun Qodirov · 2026-06-13 view diff on Wikidata ↗
    Opposite of → inverse proportionality
    Topic's main category → Category:Proportionality
    Different from → proportional representation
    Subclass of → dependency
    + 4 other properties edited (see Wikidata diff for full list)
    "Merged from another item"
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