Home / 8,789.66-13,183.86-3,791.82

Finding the Fourth Proportional to 8,789.66, 13,183.86 and 3,791.82

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Solution

The fourth proportional to 8,789.66, 13,183.86 and 3,791.82 is: 5,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.66 : 13,183.86 = 3,791.82 : x
  2. Step 2: Convert to fraction form
    8,789.66/13,183.86 = 3,791.82/x
  3. Step 3: Cross multiply
    8,789.66x = 13,183.86 × 3,791.82
  4. Step 4: Simplify right side
    8,789.66x = 49,990,824.03
  5. Step 5: Solve for x
    x = 49,990,824.03/8,789.66
  6. Step 6: Final answer
    x = 5,687.46

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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.