Home / 7,382.76-11,067.87-3,436.31

Finding the Fourth Proportional to 7,382.76, 11,067.87 and 3,436.31

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Solution

The fourth proportional to 7,382.76, 11,067.87 and 3,436.31 is: 5,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.76 : 11,067.87 = 3,436.31 : x
  2. Step 2: Convert to fraction form
    7,382.76/11,067.87 = 3,436.31/x
  3. Step 3: Cross multiply
    7,382.76x = 11,067.87 × 3,436.31
  4. Step 4: Simplify right side
    7,382.76x = 38,032,660.03
  5. Step 5: Solve for x
    x = 38,032,660.03/7,382.76
  6. Step 6: Final answer
    x = 5,151.55

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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.