Home / 11,974.56-17,947.20-5,394.24

Finding the Fourth Proportional to 11,974.56, 17,947.20 and 5,394.24

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Solution

The fourth proportional to 11,974.56, 17,947.20 and 5,394.24 is: 8,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.56 : 17,947.20 = 5,394.24 : x
  2. Step 2: Convert to fraction form
    11,974.56/17,947.20 = 5,394.24/x
  3. Step 3: Cross multiply
    11,974.56x = 17,947.20 × 5,394.24
  4. Step 4: Simplify right side
    11,974.56x = 96,811,504.13
  5. Step 5: Solve for x
    x = 96,811,504.13/11,974.56
  6. Step 6: Final answer
    x = 8,084.77

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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.