Question

5. In a proportion, the first, second and third terms are 9500, 7500 and 665, respectively. Find the
fourth term.
6. If 25,35 and x are in proportion. Find the value of x.
7. 5 pencils cost * 6 and a dozen pencils of the same type cost 14.40. Is the cost of the pencil
proportionate to the number of pencils? Justify your answer.
8. The ratio of the income to the expenditure of a family is 9 : 7. Find the savings if the
expenditure is 35000.​

Answer 1

9500/7500=665/x

cross multiplication

9500x=4987500

x=4987500/9500

x=525ans