Home / 11,042.62-15,238.90-6,327.22

Finding the Fourth Proportional to 11,042.62, 15,238.90 and 6,327.22

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Solution

The fourth proportional to 11,042.62, 15,238.90 and 6,327.22 is: 8,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.62 : 15,238.90 = 6,327.22 : x
  2. Step 2: Convert to fraction form
    11,042.62/15,238.90 = 6,327.22/x
  3. Step 3: Cross multiply
    11,042.62x = 15,238.90 × 6,327.22
  4. Step 4: Simplify right side
    11,042.62x = 96,419,872.86
  5. Step 5: Solve for x
    x = 96,419,872.86/11,042.62
  6. Step 6: Final answer
    x = 8,731.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.