Home / 8,226.62-12,336.53-3,160.04

Finding the Fourth Proportional to 8,226.62, 12,336.53 and 3,160.04

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Solution

The fourth proportional to 8,226.62, 12,336.53 and 3,160.04 is: 4,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.62 : 12,336.53 = 3,160.04 : x
  2. Step 2: Convert to fraction form
    8,226.62/12,336.53 = 3,160.04/x
  3. Step 3: Cross multiply
    8,226.62x = 12,336.53 × 3,160.04
  4. Step 4: Simplify right side
    8,226.62x = 38,983,959.10
  5. Step 5: Solve for x
    x = 38,983,959.10/8,226.62
  6. Step 6: Final answer
    x = 4,738.76

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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.