Home / 11,242.29-16,863.30-3,450.90

Finding the Fourth Proportional to 11,242.29, 16,863.30 and 3,450.90

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Solution

The fourth proportional to 11,242.29, 16,863.30 and 3,450.90 is: 5,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.29 : 16,863.30 = 3,450.90 : x
  2. Step 2: Convert to fraction form
    11,242.29/16,863.30 = 3,450.90/x
  3. Step 3: Cross multiply
    11,242.29x = 16,863.30 × 3,450.90
  4. Step 4: Simplify right side
    11,242.29x = 58,193,561.97
  5. Step 5: Solve for x
    x = 58,193,561.97/11,242.29
  6. Step 6: Final answer
    x = 5,176.31

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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.