Home / 11,231.75-15,499.97-6,196.18

Finding the Fourth Proportional to 11,231.75, 15,499.97 and 6,196.18

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Solution

The fourth proportional to 11,231.75, 15,499.97 and 6,196.18 is: 8,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.75 : 15,499.97 = 6,196.18 : x
  2. Step 2: Convert to fraction form
    11,231.75/15,499.97 = 6,196.18/x
  3. Step 3: Cross multiply
    11,231.75x = 15,499.97 × 6,196.18
  4. Step 4: Simplify right side
    11,231.75x = 96,040,604.11
  5. Step 5: Solve for x
    x = 96,040,604.11/11,231.75
  6. Step 6: Final answer
    x = 8,550.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.