Home / 7,687.24-11,532.68-2,493.12

Finding the Fourth Proportional to 7,687.24, 11,532.68 and 2,493.12

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Solution

The fourth proportional to 7,687.24, 11,532.68 and 2,493.12 is: 3,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.24 : 11,532.68 = 2,493.12 : x
  2. Step 2: Convert to fraction form
    7,687.24/11,532.68 = 2,493.12/x
  3. Step 3: Cross multiply
    7,687.24x = 11,532.68 × 2,493.12
  4. Step 4: Simplify right side
    7,687.24x = 28,752,355.16
  5. Step 5: Solve for x
    x = 28,752,355.16/7,687.24
  6. Step 6: Final answer
    x = 3,740.27

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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.