Home / 11,042.86-15,239.76-6,327.88

Finding the Fourth Proportional to 11,042.86, 15,239.76 and 6,327.88

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Solution

The fourth proportional to 11,042.86, 15,239.76 and 6,327.88 is: 8,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.86 : 15,239.76 = 6,327.88 : x
  2. Step 2: Convert to fraction form
    11,042.86/15,239.76 = 6,327.88/x
  3. Step 3: Cross multiply
    11,042.86x = 15,239.76 × 6,327.88
  4. Step 4: Simplify right side
    11,042.86x = 96,435,372.51
  5. Step 5: Solve for x
    x = 96,435,372.51/11,042.86
  6. Step 6: Final answer
    x = 8,732.83

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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.