Home / 8,737.28-13,092.96-6,417.44

Finding the Fourth Proportional to 8,737.28, 13,092.96 and 6,417.44

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Solution

The fourth proportional to 8,737.28, 13,092.96 and 6,417.44 is: 9,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.28 : 13,092.96 = 6,417.44 : x
  2. Step 2: Convert to fraction form
    8,737.28/13,092.96 = 6,417.44/x
  3. Step 3: Cross multiply
    8,737.28x = 13,092.96 × 6,417.44
  4. Step 4: Simplify right side
    8,737.28x = 84,023,275.11
  5. Step 5: Solve for x
    x = 84,023,275.11/8,737.28
  6. Step 6: Final answer
    x = 9,616.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.