Home / 11,708.82-17,563.23-3,917.61

Finding the Fourth Proportional to 11,708.82, 17,563.23 and 3,917.61

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Solution

The fourth proportional to 11,708.82, 17,563.23 and 3,917.61 is: 5,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.82 : 17,563.23 = 3,917.61 : x
  2. Step 2: Convert to fraction form
    11,708.82/17,563.23 = 3,917.61/x
  3. Step 3: Cross multiply
    11,708.82x = 17,563.23 × 3,917.61
  4. Step 4: Simplify right side
    11,708.82x = 68,805,885.48
  5. Step 5: Solve for x
    x = 68,805,885.48/11,708.82
  6. Step 6: Final answer
    x = 5,876.42

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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.