Home / 10,342.80-15,512.66-3,767.45

Finding the Fourth Proportional to 10,342.80, 15,512.66 and 3,767.45

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Solution

The fourth proportional to 10,342.80, 15,512.66 and 3,767.45 is: 5,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.80 : 15,512.66 = 3,767.45 : x
  2. Step 2: Convert to fraction form
    10,342.80/15,512.66 = 3,767.45/x
  3. Step 3: Cross multiply
    10,342.80x = 15,512.66 × 3,767.45
  4. Step 4: Simplify right side
    10,342.80x = 58,443,175.28
  5. Step 5: Solve for x
    x = 58,443,175.28/10,342.80
  6. Step 6: Final answer
    x = 5,650.61

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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.