Home / 6,149.46-9,221.92-2,199.66

Finding the Fourth Proportional to 6,149.46, 9,221.92 and 2,199.66

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Solution

The fourth proportional to 6,149.46, 9,221.92 and 2,199.66 is: 3,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.46 : 9,221.92 = 2,199.66 : x
  2. Step 2: Convert to fraction form
    6,149.46/9,221.92 = 2,199.66/x
  3. Step 3: Cross multiply
    6,149.46x = 9,221.92 × 2,199.66
  4. Step 4: Simplify right side
    6,149.46x = 20,285,088.55
  5. Step 5: Solve for x
    x = 20,285,088.55/6,149.46
  6. Step 6: Final answer
    x = 3,298.68

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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.