Home / 11,882.70-17,824.73-3,986.26

Finding the Fourth Proportional to 11,882.70, 17,824.73 and 3,986.26

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Solution

The fourth proportional to 11,882.70, 17,824.73 and 3,986.26 is: 5,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.70 : 17,824.73 = 3,986.26 : x
  2. Step 2: Convert to fraction form
    11,882.70/17,824.73 = 3,986.26/x
  3. Step 3: Cross multiply
    11,882.70x = 17,824.73 × 3,986.26
  4. Step 4: Simplify right side
    11,882.70x = 71,054,077.61
  5. Step 5: Solve for x
    x = 71,054,077.61/11,882.70
  6. Step 6: Final answer
    x = 5,979.62

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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.