Home / 10,385.46-15,572.43-3,456.18

Finding the Fourth Proportional to 10,385.46, 15,572.43 and 3,456.18

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Solution

The fourth proportional to 10,385.46, 15,572.43 and 3,456.18 is: 5,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.46 : 15,572.43 = 3,456.18 : x
  2. Step 2: Convert to fraction form
    10,385.46/15,572.43 = 3,456.18/x
  3. Step 3: Cross multiply
    10,385.46x = 15,572.43 × 3,456.18
  4. Step 4: Simplify right side
    10,385.46x = 53,821,121.12
  5. Step 5: Solve for x
    x = 53,821,121.12/10,385.46
  6. Step 6: Final answer
    x = 5,182.35

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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.