Home / 11,387.20-17,082.48-5,843.68

Finding the Fourth Proportional to 11,387.20, 17,082.48 and 5,843.68

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Solution

The fourth proportional to 11,387.20, 17,082.48 and 5,843.68 is: 8,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.20 : 17,082.48 = 5,843.68 : x
  2. Step 2: Convert to fraction form
    11,387.20/17,082.48 = 5,843.68/x
  3. Step 3: Cross multiply
    11,387.20x = 17,082.48 × 5,843.68
  4. Step 4: Simplify right side
    11,387.20x = 99,824,546.73
  5. Step 5: Solve for x
    x = 99,824,546.73/11,387.20
  6. Step 6: Final answer
    x = 8,766.38

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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.