Home / 8,474.22-12,711.94-3,792.02

Finding the Fourth Proportional to 8,474.22, 12,711.94 and 3,792.02

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Solution

The fourth proportional to 8,474.22, 12,711.94 and 3,792.02 is: 5,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.22 : 12,711.94 = 3,792.02 : x
  2. Step 2: Convert to fraction form
    8,474.22/12,711.94 = 3,792.02/x
  3. Step 3: Cross multiply
    8,474.22x = 12,711.94 × 3,792.02
  4. Step 4: Simplify right side
    8,474.22x = 48,203,857.68
  5. Step 5: Solve for x
    x = 48,203,857.68/8,474.22
  6. Step 6: Final answer
    x = 5,688.29

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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.