Home / 10,546.86-15,822.85-3,151.26

Finding the Fourth Proportional to 10,546.86, 15,822.85 and 3,151.26

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Solution

The fourth proportional to 10,546.86, 15,822.85 and 3,151.26 is: 4,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.86 : 15,822.85 = 3,151.26 : x
  2. Step 2: Convert to fraction form
    10,546.86/15,822.85 = 3,151.26/x
  3. Step 3: Cross multiply
    10,546.86x = 15,822.85 × 3,151.26
  4. Step 4: Simplify right side
    10,546.86x = 49,861,965.75
  5. Step 5: Solve for x
    x = 49,861,965.75/10,546.86
  6. Step 6: Final answer
    x = 4,727.66

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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.