Home / 8,306.28-12,449.84-3,370.51

Finding the Fourth Proportional to 8,306.28, 12,449.84 and 3,370.51

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Solution

The fourth proportional to 8,306.28, 12,449.84 and 3,370.51 is: 5,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.28 : 12,449.84 = 3,370.51 : x
  2. Step 2: Convert to fraction form
    8,306.28/12,449.84 = 3,370.51/x
  3. Step 3: Cross multiply
    8,306.28x = 12,449.84 × 3,370.51
  4. Step 4: Simplify right side
    8,306.28x = 41,962,247.97
  5. Step 5: Solve for x
    x = 41,962,247.97/8,306.28
  6. Step 6: Final answer
    x = 5,051.87

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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.