Home / 11,481.23-17,222.03-3,161.19

Finding the Fourth Proportional to 11,481.23, 17,222.03 and 3,161.19

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Solution

The fourth proportional to 11,481.23, 17,222.03 and 3,161.19 is: 4,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.23 : 17,222.03 = 3,161.19 : x
  2. Step 2: Convert to fraction form
    11,481.23/17,222.03 = 3,161.19/x
  3. Step 3: Cross multiply
    11,481.23x = 17,222.03 × 3,161.19
  4. Step 4: Simplify right side
    11,481.23x = 54,442,093.21
  5. Step 5: Solve for x
    x = 54,442,093.21/11,481.23
  6. Step 6: Final answer
    x = 4,741.84

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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.