Home / 8,727.24-13,088.89-2,487.12

Finding the Fourth Proportional to 8,727.24, 13,088.89 and 2,487.12

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Solution

The fourth proportional to 8,727.24, 13,088.89 and 2,487.12 is: 3,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.24 : 13,088.89 = 2,487.12 : x
  2. Step 2: Convert to fraction form
    8,727.24/13,088.89 = 2,487.12/x
  3. Step 3: Cross multiply
    8,727.24x = 13,088.89 × 2,487.12
  4. Step 4: Simplify right side
    8,727.24x = 32,553,580.13
  5. Step 5: Solve for x
    x = 32,553,580.13/8,727.24
  6. Step 6: Final answer
    x = 3,730.11

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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.