Home / 10,432.86-15,649.83-2,641.74

Finding the Fourth Proportional to 10,432.86, 15,649.83 and 2,641.74

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Solution

The fourth proportional to 10,432.86, 15,649.83 and 2,641.74 is: 3,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.86 : 15,649.83 = 2,641.74 : x
  2. Step 2: Convert to fraction form
    10,432.86/15,649.83 = 2,641.74/x
  3. Step 3: Cross multiply
    10,432.86x = 15,649.83 × 2,641.74
  4. Step 4: Simplify right side
    10,432.86x = 41,342,781.90
  5. Step 5: Solve for x
    x = 41,342,781.90/10,432.86
  6. Step 6: Final answer
    x = 3,962.75

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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.