Home / 8,374.24-12,553.92-3,183.76

Finding the Fourth Proportional to 8,374.24, 12,553.92 and 3,183.76

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Solution

The fourth proportional to 8,374.24, 12,553.92 and 3,183.76 is: 4,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.24 : 12,553.92 = 3,183.76 : x
  2. Step 2: Convert to fraction form
    8,374.24/12,553.92 = 3,183.76/x
  3. Step 3: Cross multiply
    8,374.24x = 12,553.92 × 3,183.76
  4. Step 4: Simplify right side
    8,374.24x = 39,968,668.34
  5. Step 5: Solve for x
    x = 39,968,668.34/8,374.24
  6. Step 6: Final answer
    x = 4,772.81

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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.