Home / 11,975.70-17,963.55-9,351.30

Finding the Fourth Proportional to 11,975.70, 17,963.55 and 9,351.30

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Solution

The fourth proportional to 11,975.70, 17,963.55 and 9,351.30 is: 14,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.70 : 17,963.55 = 9,351.30 : x
  2. Step 2: Convert to fraction form
    11,975.70/17,963.55 = 9,351.30/x
  3. Step 3: Cross multiply
    11,975.70x = 17,963.55 × 9,351.30
  4. Step 4: Simplify right side
    11,975.70x = 167,982,545.12
  5. Step 5: Solve for x
    x = 167,982,545.12/11,975.70
  6. Step 6: Final answer
    x = 14,026.95

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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.