Home / 7,423.57-11,137.25-5,472.43

Finding the Fourth Proportional to 7,423.57, 11,137.25 and 5,472.43

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Solution

The fourth proportional to 7,423.57, 11,137.25 and 5,472.43 is: 8,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.57 : 11,137.25 = 5,472.43 : x
  2. Step 2: Convert to fraction form
    7,423.57/11,137.25 = 5,472.43/x
  3. Step 3: Cross multiply
    7,423.57x = 11,137.25 × 5,472.43
  4. Step 4: Simplify right side
    7,423.57x = 60,947,821.02
  5. Step 5: Solve for x
    x = 60,947,821.02/7,423.57
  6. Step 6: Final answer
    x = 8,210.04

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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.