Home / 11,231.56-15,499.31-6,195.79

Finding the Fourth Proportional to 11,231.56, 15,499.31 and 6,195.79

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Solution

The fourth proportional to 11,231.56, 15,499.31 and 6,195.79 is: 8,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.56 : 15,499.31 = 6,195.79 : x
  2. Step 2: Convert to fraction form
    11,231.56/15,499.31 = 6,195.79/x
  3. Step 3: Cross multiply
    11,231.56x = 15,499.31 × 6,195.79
  4. Step 4: Simplify right side
    11,231.56x = 96,030,382.73
  5. Step 5: Solve for x
    x = 96,030,382.73/11,231.56
  6. Step 6: Final answer
    x = 8,550.05

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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.