Home / 9,198.92-13,771.62-8,249.06

Finding the Fourth Proportional to 9,198.92, 13,771.62 and 8,249.06

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Solution

The fourth proportional to 9,198.92, 13,771.62 and 8,249.06 is: 12,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.92 : 13,771.62 = 8,249.06 : x
  2. Step 2: Convert to fraction form
    9,198.92/13,771.62 = 8,249.06/x
  3. Step 3: Cross multiply
    9,198.92x = 13,771.62 × 8,249.06
  4. Step 4: Simplify right side
    9,198.92x = 113,602,919.68
  5. Step 5: Solve for x
    x = 113,602,919.68/9,198.92
  6. Step 6: Final answer
    x = 12,349.59

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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.