Home / 11,972.88-17,943.12-9,376.56

Finding the Fourth Proportional to 11,972.88, 17,943.12 and 9,376.56

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Solution

The fourth proportional to 11,972.88, 17,943.12 and 9,376.56 is: 14,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.88 : 17,943.12 = 9,376.56 : x
  2. Step 2: Convert to fraction form
    11,972.88/17,943.12 = 9,376.56/x
  3. Step 3: Cross multiply
    11,972.88x = 17,943.12 × 9,376.56
  4. Step 4: Simplify right side
    11,972.88x = 168,244,741.27
  5. Step 5: Solve for x
    x = 168,244,741.27/11,972.88
  6. Step 6: Final answer
    x = 14,052.15

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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.