Home / 7,382.83-11,067.25-3,681.56

Finding the Fourth Proportional to 7,382.83, 11,067.25 and 3,681.56

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Solution

The fourth proportional to 7,382.83, 11,067.25 and 3,681.56 is: 5,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.83 : 11,067.25 = 3,681.56 : x
  2. Step 2: Convert to fraction form
    7,382.83/11,067.25 = 3,681.56/x
  3. Step 3: Cross multiply
    7,382.83x = 11,067.25 × 3,681.56
  4. Step 4: Simplify right side
    7,382.83x = 40,744,770.31
  5. Step 5: Solve for x
    x = 40,744,770.31/7,382.83
  6. Step 6: Final answer
    x = 5,518.85

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1.5x scale

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.