Home / 9,198.08-13,778.24-6,227.20

Finding the Fourth Proportional to 9,198.08, 13,778.24 and 6,227.20

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Solution

The fourth proportional to 9,198.08, 13,778.24 and 6,227.20 is: 9,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.08 : 13,778.24 = 6,227.20 : x
  2. Step 2: Convert to fraction form
    9,198.08/13,778.24 = 6,227.20/x
  3. Step 3: Cross multiply
    9,198.08x = 13,778.24 × 6,227.20
  4. Step 4: Simplify right side
    9,198.08x = 85,799,856.13
  5. Step 5: Solve for x
    x = 85,799,856.13/9,198.08
  6. Step 6: Final answer
    x = 9,328.02

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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.