Home / 11,581.76-15,982.44-6,863.24

Finding the Fourth Proportional to 11,581.76, 15,982.44 and 6,863.24

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Solution

The fourth proportional to 11,581.76, 15,982.44 and 6,863.24 is: 9,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.76 : 15,982.44 = 6,863.24 : x
  2. Step 2: Convert to fraction form
    11,581.76/15,982.44 = 6,863.24/x
  3. Step 3: Cross multiply
    11,581.76x = 15,982.44 × 6,863.24
  4. Step 4: Simplify right side
    11,581.76x = 109,691,321.51
  5. Step 5: Solve for x
    x = 109,691,321.51/11,581.76
  6. Step 6: Final answer
    x = 9,471.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.