Home / 11,481.87-17,222.16-3,690.06

Finding the Fourth Proportional to 11,481.87, 17,222.16 and 3,690.06

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Solution

The fourth proportional to 11,481.87, 17,222.16 and 3,690.06 is: 5,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.87 : 17,222.16 = 3,690.06 : x
  2. Step 2: Convert to fraction form
    11,481.87/17,222.16 = 3,690.06/x
  3. Step 3: Cross multiply
    11,481.87x = 17,222.16 × 3,690.06
  4. Step 4: Simplify right side
    11,481.87x = 63,550,803.73
  5. Step 5: Solve for x
    x = 63,550,803.73/11,481.87
  6. Step 6: Final answer
    x = 5,534.88

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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.