Home / 9,147.38-13,718.36-3,882.32

Finding the Fourth Proportional to 9,147.38, 13,718.36 and 3,882.32

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Solution

The fourth proportional to 9,147.38, 13,718.36 and 3,882.32 is: 5,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.38 : 13,718.36 = 3,882.32 : x
  2. Step 2: Convert to fraction form
    9,147.38/13,718.36 = 3,882.32/x
  3. Step 3: Cross multiply
    9,147.38x = 13,718.36 × 3,882.32
  4. Step 4: Simplify right side
    9,147.38x = 53,259,063.40
  5. Step 5: Solve for x
    x = 53,259,063.40/9,147.38
  6. Step 6: Final answer
    x = 5,822.33

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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.