Home / 9,178.12-13,769.31-3,254.69

Finding the Fourth Proportional to 9,178.12, 13,769.31 and 3,254.69

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Solution

The fourth proportional to 9,178.12, 13,769.31 and 3,254.69 is: 4,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.12 : 13,769.31 = 3,254.69 : x
  2. Step 2: Convert to fraction form
    9,178.12/13,769.31 = 3,254.69/x
  3. Step 3: Cross multiply
    9,178.12x = 13,769.31 × 3,254.69
  4. Step 4: Simplify right side
    9,178.12x = 44,814,819.29
  5. Step 5: Solve for x
    x = 44,814,819.29/9,178.12
  6. Step 6: Final answer
    x = 4,882.79

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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.