Home / 9,179.13-13,770.24-2,939.29

Finding the Fourth Proportional to 9,179.13, 13,770.24 and 2,939.29

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Solution

The fourth proportional to 9,179.13, 13,770.24 and 2,939.29 is: 4,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.13 : 13,770.24 = 2,939.29 : x
  2. Step 2: Convert to fraction form
    9,179.13/13,770.24 = 2,939.29/x
  3. Step 3: Cross multiply
    9,179.13x = 13,770.24 × 2,939.29
  4. Step 4: Simplify right side
    9,179.13x = 40,474,728.73
  5. Step 5: Solve for x
    x = 40,474,728.73/9,179.13
  6. Step 6: Final answer
    x = 4,409.43

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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.