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Finding the Fourth Proportional to 8,737.14, 12,044.90 and 6,218.26

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Solution

The fourth proportional to 8,737.14, 12,044.90 and 6,218.26 is: 8,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.14 : 12,044.90 = 6,218.26 : x
  2. Step 2: Convert to fraction form
    8,737.14/12,044.90 = 6,218.26/x
  3. Step 3: Cross multiply
    8,737.14x = 12,044.90 × 6,218.26
  4. Step 4: Simplify right side
    8,737.14x = 74,898,319.87
  5. Step 5: Solve for x
    x = 74,898,319.87/8,737.14
  6. Step 6: Final answer
    x = 8,572.41

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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.