Home / 11,481.03-17,219.51-3,159.03

Finding the Fourth Proportional to 11,481.03, 17,219.51 and 3,159.03

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Solution

The fourth proportional to 11,481.03, 17,219.51 and 3,159.03 is: 4,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.03 : 17,219.51 = 3,159.03 : x
  2. Step 2: Convert to fraction form
    11,481.03/17,219.51 = 3,159.03/x
  3. Step 3: Cross multiply
    11,481.03x = 17,219.51 × 3,159.03
  4. Step 4: Simplify right side
    11,481.03x = 54,396,932.88
  5. Step 5: Solve for x
    x = 54,396,932.88/11,481.03
  6. Step 6: Final answer
    x = 4,737.98

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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.