Home / 11,081.52-15,291.68-6,236.96

Finding the Fourth Proportional to 11,081.52, 15,291.68 and 6,236.96

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Solution

The fourth proportional to 11,081.52, 15,291.68 and 6,236.96 is: 8,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.52 : 15,291.68 = 6,236.96 : x
  2. Step 2: Convert to fraction form
    11,081.52/15,291.68 = 6,236.96/x
  3. Step 3: Cross multiply
    11,081.52x = 15,291.68 × 6,236.96
  4. Step 4: Simplify right side
    11,081.52x = 95,373,488.85
  5. Step 5: Solve for x
    x = 95,373,488.85/11,081.52
  6. Step 6: Final answer
    x = 8,606.53

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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.