Home / 12,449.16-18,676.44-3,684.69

Finding the Fourth Proportional to 12,449.16, 18,676.44 and 3,684.69

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Solution

The fourth proportional to 12,449.16, 18,676.44 and 3,684.69 is: 5,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.16 : 18,676.44 = 3,684.69 : x
  2. Step 2: Convert to fraction form
    12,449.16/18,676.44 = 3,684.69/x
  3. Step 3: Cross multiply
    12,449.16x = 18,676.44 × 3,684.69
  4. Step 4: Simplify right side
    12,449.16x = 68,816,891.70
  5. Step 5: Solve for x
    x = 68,816,891.70/12,449.16
  6. Step 6: Final answer
    x = 5,527.83

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1.5x scale

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.