Home / 10,657.52-14,716.64-6,685.44

Finding the Fourth Proportional to 10,657.52, 14,716.64 and 6,685.44

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Solution

The fourth proportional to 10,657.52, 14,716.64 and 6,685.44 is: 9,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.52 : 14,716.64 = 6,685.44 : x
  2. Step 2: Convert to fraction form
    10,657.52/14,716.64 = 6,685.44/x
  3. Step 3: Cross multiply
    10,657.52x = 14,716.64 × 6,685.44
  4. Step 4: Simplify right side
    10,657.52x = 98,387,213.72
  5. Step 5: Solve for x
    x = 98,387,213.72/10,657.52
  6. Step 6: Final answer
    x = 9,231.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.