Home / 9,159.92-13,739.82-3,316.52

Finding the Fourth Proportional to 9,159.92, 13,739.82 and 3,316.52

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Solution

The fourth proportional to 9,159.92, 13,739.82 and 3,316.52 is: 4,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.92 : 13,739.82 = 3,316.52 : x
  2. Step 2: Convert to fraction form
    9,159.92/13,739.82 = 3,316.52/x
  3. Step 3: Cross multiply
    9,159.92x = 13,739.82 × 3,316.52
  4. Step 4: Simplify right side
    9,159.92x = 45,568,387.83
  5. Step 5: Solve for x
    x = 45,568,387.83/9,159.92
  6. Step 6: Final answer
    x = 4,974.76

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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.