Home / 8,930.20-13,396.38-3,382.24

Finding the Fourth Proportional to 8,930.20, 13,396.38 and 3,382.24

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Solution

The fourth proportional to 8,930.20, 13,396.38 and 3,382.24 is: 5,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.20 : 13,396.38 = 3,382.24 : x
  2. Step 2: Convert to fraction form
    8,930.20/13,396.38 = 3,382.24/x
  3. Step 3: Cross multiply
    8,930.20x = 13,396.38 × 3,382.24
  4. Step 4: Simplify right side
    8,930.20x = 45,309,772.29
  5. Step 5: Solve for x
    x = 45,309,772.29/8,930.20
  6. Step 6: Final answer
    x = 5,073.77

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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.