Home / 11,087.82-15,301.17-6,372.09

Finding the Fourth Proportional to 11,087.82, 15,301.17 and 6,372.09

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Solution

The fourth proportional to 11,087.82, 15,301.17 and 6,372.09 is: 8,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.82 : 15,301.17 = 6,372.09 : x
  2. Step 2: Convert to fraction form
    11,087.82/15,301.17 = 6,372.09/x
  3. Step 3: Cross multiply
    11,087.82x = 15,301.17 × 6,372.09
  4. Step 4: Simplify right side
    11,087.82x = 97,500,432.35
  5. Step 5: Solve for x
    x = 97,500,432.35/11,087.82
  6. Step 6: Final answer
    x = 8,793.47

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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.