Find whether 12, 24, 18, 36 are in order that can be expressed as two ratios that are in proportion

बेरीज

Yes, 12 : 24 : : 18 : 36

Because product of extremes 12 × 36 = 432

Product of means = 24 × 18 = 432

12 : 24 : : 18 : 36.

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पाठ 3: Ratio and Proportion - Exercise 3.3 [पृष्ठ ५९]

पाठ 3 Ratio and Proportion
Exercise 3.3 | Q 4 | पृष्ठ ५९

Given, `x/(b - c ) = y/(c - a ) = z/(a - b)` , Prove that

ax+ by + cz = 0

a, b, c are in continued proportion. If a = 3 and c = 27 then find b.

If p, q and r in continued proportion, then prove the following:

(p² - q²)(q² + r²) = (q² - r²)(p² + q²)

Find the value of x in the following proportions : 3 : x = 24 : 2

Find the fourth proportional to 3, 12, 15

Find the mean proportion of: 5 and 80

If 2x – 1, 5x – 6, 6x + 2 and 15x – 9 are in proportion, find the value of x.

If Rs 760 is divided between A and B in the ratio 8 : 11, then B's share is

If a, b, c are in continued proportion, prove that: `(a + b)/(b + c) = (a^2(b - c))/(b^2(a - b)`.

If a, b, c are in continued proportion, prove that: a : c = (a² + b²) : (b² + c²)