are the ratios 2,11,10 and 55 in proportion?

Which of the following ratios are in proportion?

Are the following ratio in proportion ? (i) 3.2: 4 and 8 : 10 (ii) 1:2 and 2:1

Determine if the following ratios from a proportion.Also,write the middle terms and extreme terms where the ratios form a proportion. 39 litres:65 litres abnd 6 bottles:10 bottles

Ratio || Proportion

PROPORTION An equality of two ratios is called a proportion.