Home / 7,863.24-11,791.80-3,182.04

Finding the Fourth Proportional to 7,863.24, 11,791.80 and 3,182.04

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Solution

The fourth proportional to 7,863.24, 11,791.80 and 3,182.04 is: 4,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.24 : 11,791.80 = 3,182.04 : x
  2. Step 2: Convert to fraction form
    7,863.24/11,791.80 = 3,182.04/x
  3. Step 3: Cross multiply
    7,863.24x = 11,791.80 × 3,182.04
  4. Step 4: Simplify right side
    7,863.24x = 37,521,979.27
  5. Step 5: Solve for x
    x = 37,521,979.27/7,863.24
  6. Step 6: Final answer
    x = 4,771.82

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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.