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Finding the Fourth Proportional to 8,737.35, 12,066.11 and 7,471.09

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Solution

The fourth proportional to 8,737.35, 12,066.11 and 7,471.09 is: 10,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.35 : 12,066.11 = 7,471.09 : x
  2. Step 2: Convert to fraction form
    8,737.35/12,066.11 = 7,471.09/x
  3. Step 3: Cross multiply
    8,737.35x = 12,066.11 × 7,471.09
  4. Step 4: Simplify right side
    8,737.35x = 90,146,956.40
  5. Step 5: Solve for x
    x = 90,146,956.40/8,737.35
  6. Step 6: Final answer
    x = 10,317.43

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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.