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Finding the Fourth Proportional to 8,651.14, 11,926.65 and 6,525.70

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Solution

The fourth proportional to 8,651.14, 11,926.65 and 6,525.70 is: 8,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.14 : 11,926.65 = 6,525.70 : x
  2. Step 2: Convert to fraction form
    8,651.14/11,926.65 = 6,525.70/x
  3. Step 3: Cross multiply
    8,651.14x = 11,926.65 × 6,525.70
  4. Step 4: Simplify right side
    8,651.14x = 77,829,739.91
  5. Step 5: Solve for x
    x = 77,829,739.91/8,651.14
  6. Step 6: Final answer
    x = 8,996.47

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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.