Home / 8,502.28-11,737.40-5,317.36

Finding the Fourth Proportional to 8,502.28, 11,737.40 and 5,317.36

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Solution

The fourth proportional to 8,502.28, 11,737.40 and 5,317.36 is: 7,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.28 : 11,737.40 = 5,317.36 : x
  2. Step 2: Convert to fraction form
    8,502.28/11,737.40 = 5,317.36/x
  3. Step 3: Cross multiply
    8,502.28x = 11,737.40 × 5,317.36
  4. Step 4: Simplify right side
    8,502.28x = 62,411,981.26
  5. Step 5: Solve for x
    x = 62,411,981.26/8,502.28
  6. Step 6: Final answer
    x = 7,340.62

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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.