Home / 10,566.38-15,849.47-3,170.54

Finding the Fourth Proportional to 10,566.38, 15,849.47 and 3,170.54

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Solution

The fourth proportional to 10,566.38, 15,849.47 and 3,170.54 is: 4,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.38 : 15,849.47 = 3,170.54 : x
  2. Step 2: Convert to fraction form
    10,566.38/15,849.47 = 3,170.54/x
  3. Step 3: Cross multiply
    10,566.38x = 15,849.47 × 3,170.54
  4. Step 4: Simplify right side
    10,566.38x = 50,251,426.16
  5. Step 5: Solve for x
    x = 50,251,426.16/10,566.38
  6. Step 6: Final answer
    x = 4,755.78

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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.