Home / 11,918.97-17,883.15-4,525.38

Finding the Fourth Proportional to 11,918.97, 17,883.15 and 4,525.38

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Solution

The fourth proportional to 11,918.97, 17,883.15 and 4,525.38 is: 6,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.97 : 17,883.15 = 4,525.38 : x
  2. Step 2: Convert to fraction form
    11,918.97/17,883.15 = 4,525.38/x
  3. Step 3: Cross multiply
    11,918.97x = 17,883.15 × 4,525.38
  4. Step 4: Simplify right side
    11,918.97x = 80,928,049.35
  5. Step 5: Solve for x
    x = 80,928,049.35/11,918.97
  6. Step 6: Final answer
    x = 6,789.85

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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.