Home / 11,982.64-17,974.68-3,663.22

Finding the Fourth Proportional to 11,982.64, 17,974.68 and 3,663.22

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Solution

The fourth proportional to 11,982.64, 17,974.68 and 3,663.22 is: 5,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.64 : 17,974.68 = 3,663.22 : x
  2. Step 2: Convert to fraction form
    11,982.64/17,974.68 = 3,663.22/x
  3. Step 3: Cross multiply
    11,982.64x = 17,974.68 × 3,663.22
  4. Step 4: Simplify right side
    11,982.64x = 65,845,207.27
  5. Step 5: Solve for x
    x = 65,845,207.27/11,982.64
  6. Step 6: Final answer
    x = 5,495.05

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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.