Home / 7,839.15-11,758.49-2,292.62

Finding the Fourth Proportional to 7,839.15, 11,758.49 and 2,292.62

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Solution

The fourth proportional to 7,839.15, 11,758.49 and 2,292.62 is: 3,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.15 : 11,758.49 = 2,292.62 : x
  2. Step 2: Convert to fraction form
    7,839.15/11,758.49 = 2,292.62/x
  3. Step 3: Cross multiply
    7,839.15x = 11,758.49 × 2,292.62
  4. Step 4: Simplify right side
    7,839.15x = 26,957,679.09
  5. Step 5: Solve for x
    x = 26,957,679.09/7,839.15
  6. Step 6: Final answer
    x = 3,438.85

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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.