Home / 10,320.22-15,481.44-3,297.79

Finding the Fourth Proportional to 10,320.22, 15,481.44 and 3,297.79

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Solution

The fourth proportional to 10,320.22, 15,481.44 and 3,297.79 is: 4,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.22 : 15,481.44 = 3,297.79 : x
  2. Step 2: Convert to fraction form
    10,320.22/15,481.44 = 3,297.79/x
  3. Step 3: Cross multiply
    10,320.22x = 15,481.44 × 3,297.79
  4. Step 4: Simplify right side
    10,320.22x = 51,054,538.02
  5. Step 5: Solve for x
    x = 51,054,538.02/10,320.22
  6. Step 6: Final answer
    x = 4,947.04

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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.