Home / 11,071.38-16,610.11-5,518.02

Finding the Fourth Proportional to 11,071.38, 16,610.11 and 5,518.02

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Solution

The fourth proportional to 11,071.38, 16,610.11 and 5,518.02 is: 8,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.38 : 16,610.11 = 5,518.02 : x
  2. Step 2: Convert to fraction form
    11,071.38/16,610.11 = 5,518.02/x
  3. Step 3: Cross multiply
    11,071.38x = 16,610.11 × 5,518.02
  4. Step 4: Simplify right side
    11,071.38x = 91,654,905.39
  5. Step 5: Solve for x
    x = 91,654,905.39/11,071.38
  6. Step 6: Final answer
    x = 8,278.54

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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.