If (pa + qb) : (pc + qd) :: (pa – qb) : (pc – qd) prove that a : b : : c : d
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If (ma + nb): b :: (mc + nd) : d, prove that a, b, c, d are in proportion.
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More Solutions:
- A ratio equivalent to the ratio (2/3) : (5/7).
- If x, 12, 8, and 32 are in proportion, then the value of x is
- The third proportional to 6(1/4) and 5 is
- Find the compound ratio of: (a + b)2 : (a – b )2.
- If a : b = 3 : 5, find (3a + 5b) : (7a – 2b).
- The ratio of the pocket money saved by Lokesh and his sister is 5 : 6.
- Number must be added to each of the numbers 15, 17, 34 and 38.