Home / 9,102.92-13,659.69-3,837.61

Finding the Fourth Proportional to 9,102.92, 13,659.69 and 3,837.61

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Solution

The fourth proportional to 9,102.92, 13,659.69 and 3,837.61 is: 5,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.92 : 13,659.69 = 3,837.61 : x
  2. Step 2: Convert to fraction form
    9,102.92/13,659.69 = 3,837.61/x
  3. Step 3: Cross multiply
    9,102.92x = 13,659.69 × 3,837.61
  4. Step 4: Simplify right side
    9,102.92x = 52,420,475.45
  5. Step 5: Solve for x
    x = 52,420,475.45/9,102.92
  6. Step 6: Final answer
    x = 5,758.64

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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.