Home / 11,651.87-17,463.21-9,176.91

Finding the Fourth Proportional to 11,651.87, 17,463.21 and 9,176.91

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Solution

The fourth proportional to 11,651.87, 17,463.21 and 9,176.91 is: 13,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.87 : 17,463.21 = 9,176.91 : x
  2. Step 2: Convert to fraction form
    11,651.87/17,463.21 = 9,176.91/x
  3. Step 3: Cross multiply
    11,651.87x = 17,463.21 × 9,176.91
  4. Step 4: Simplify right side
    11,651.87x = 160,258,306.48
  5. Step 5: Solve for x
    x = 160,258,306.48/11,651.87
  6. Step 6: Final answer
    x = 13,753.88

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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.