Home / 11,679.08-17,513.35-3,357.20

Finding the Fourth Proportional to 11,679.08, 17,513.35 and 3,357.20

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Solution

The fourth proportional to 11,679.08, 17,513.35 and 3,357.20 is: 5,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.08 : 17,513.35 = 3,357.20 : x
  2. Step 2: Convert to fraction form
    11,679.08/17,513.35 = 3,357.20/x
  3. Step 3: Cross multiply
    11,679.08x = 17,513.35 × 3,357.20
  4. Step 4: Simplify right side
    11,679.08x = 58,795,854.01
  5. Step 5: Solve for x
    x = 58,795,854.01/11,679.08
  6. Step 6: Final answer
    x = 5,034.29

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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.