Home / 11,650.38-17,476.80-4,987.56

Finding the Fourth Proportional to 11,650.38, 17,476.80 and 4,987.56

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Solution

The fourth proportional to 11,650.38, 17,476.80 and 4,987.56 is: 7,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.38 : 17,476.80 = 4,987.56 : x
  2. Step 2: Convert to fraction form
    11,650.38/17,476.80 = 4,987.56/x
  3. Step 3: Cross multiply
    11,650.38x = 17,476.80 × 4,987.56
  4. Step 4: Simplify right side
    11,650.38x = 87,166,588.61
  5. Step 5: Solve for x
    x = 87,166,588.61/11,650.38
  6. Step 6: Final answer
    x = 7,481.87

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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.