Home / 11,130.72-16,704.24-5,582.52

Finding the Fourth Proportional to 11,130.72, 16,704.24 and 5,582.52

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Solution

The fourth proportional to 11,130.72, 16,704.24 and 5,582.52 is: 8,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.72 : 16,704.24 = 5,582.52 : x
  2. Step 2: Convert to fraction form
    11,130.72/16,704.24 = 5,582.52/x
  3. Step 3: Cross multiply
    11,130.72x = 16,704.24 × 5,582.52
  4. Step 4: Simplify right side
    11,130.72x = 93,251,753.88
  5. Step 5: Solve for x
    x = 93,251,753.88/11,130.72
  6. Step 6: Final answer
    x = 8,377.87

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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.