Start learning →

To test whether a proportion is true, a student multiplies each denominator by the opposite numerator. Those products are the:

ASquare numbers
BCross products
CCommon factors
DPrime factors
Answer & Solution
Correct answer: B. Cross products
1. The multiplication goes diagonally. 2. Equal products mean a true proportion. 3. They are the cross products. _Source: OpenStax Prealgebra 2e, Chapter 6, Percents._
Practise this question with Quill — 11 Plus (11+) →

Keep practising Percents and Proportion

Browse all Percents and Proportion questions for 11 Plus (11+), or explore more Mathematics topics.

Start a Percents and Proportion lesson →
Related questions
Percent bingoType the numberSort the money wordsGoes up or comes offSlice the percent wordsRun the percent gatesPop the shop wordsCatch the percent uses