Home / 11,375.54-17,062.45-3,878.48

Finding the Fourth Proportional to 11,375.54, 17,062.45 and 3,878.48

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Solution

The fourth proportional to 11,375.54, 17,062.45 and 3,878.48 is: 5,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.54 : 17,062.45 = 3,878.48 : x
  2. Step 2: Convert to fraction form
    11,375.54/17,062.45 = 3,878.48/x
  3. Step 3: Cross multiply
    11,375.54x = 17,062.45 × 3,878.48
  4. Step 4: Simplify right side
    11,375.54x = 66,176,404.04
  5. Step 5: Solve for x
    x = 66,176,404.04/11,375.54
  6. Step 6: Final answer
    x = 5,817.43

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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.