Home / 11,375.82-17,064.60-3,877.05

Finding the Fourth Proportional to 11,375.82, 17,064.60 and 3,877.05

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Solution

The fourth proportional to 11,375.82, 17,064.60 and 3,877.05 is: 5,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.82 : 17,064.60 = 3,877.05 : x
  2. Step 2: Convert to fraction form
    11,375.82/17,064.60 = 3,877.05/x
  3. Step 3: Cross multiply
    11,375.82x = 17,064.60 × 3,877.05
  4. Step 4: Simplify right side
    11,375.82x = 66,160,367.79
  5. Step 5: Solve for x
    x = 66,160,367.79/11,375.82
  6. Step 6: Final answer
    x = 5,815.88

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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.