Home / 11,195.76-15,449.04-6,481.56

Finding the Fourth Proportional to 11,195.76, 15,449.04 and 6,481.56

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Solution

The fourth proportional to 11,195.76, 15,449.04 and 6,481.56 is: 8,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.76 : 15,449.04 = 6,481.56 : x
  2. Step 2: Convert to fraction form
    11,195.76/15,449.04 = 6,481.56/x
  3. Step 3: Cross multiply
    11,195.76x = 15,449.04 × 6,481.56
  4. Step 4: Simplify right side
    11,195.76x = 100,133,879.70
  5. Step 5: Solve for x
    x = 100,133,879.70/11,195.76
  6. Step 6: Final answer
    x = 8,943.91

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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.