Home / 9,171.96-13,758.69-2,932.86

Finding the Fourth Proportional to 9,171.96, 13,758.69 and 2,932.86

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Solution

The fourth proportional to 9,171.96, 13,758.69 and 2,932.86 is: 4,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.96 : 13,758.69 = 2,932.86 : x
  2. Step 2: Convert to fraction form
    9,171.96/13,758.69 = 2,932.86/x
  3. Step 3: Cross multiply
    9,171.96x = 13,758.69 × 2,932.86
  4. Step 4: Simplify right side
    9,171.96x = 40,352,311.55
  5. Step 5: Solve for x
    x = 40,352,311.55/9,171.96
  6. Step 6: Final answer
    x = 4,399.53

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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.