Home / 8,074.16-12,109.84-2,229.44

Finding the Fourth Proportional to 8,074.16, 12,109.84 and 2,229.44

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Solution

The fourth proportional to 8,074.16, 12,109.84 and 2,229.44 is: 3,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.16 : 12,109.84 = 2,229.44 : x
  2. Step 2: Convert to fraction form
    8,074.16/12,109.84 = 2,229.44/x
  3. Step 3: Cross multiply
    8,074.16x = 12,109.84 × 2,229.44
  4. Step 4: Simplify right side
    8,074.16x = 26,998,161.69
  5. Step 5: Solve for x
    x = 26,998,161.69/8,074.16
  6. Step 6: Final answer
    x = 3,343.77

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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.