Home / 9,169.38-12,652.98-5,189.58

Finding the Fourth Proportional to 9,169.38, 12,652.98 and 5,189.58

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Solution

The fourth proportional to 9,169.38, 12,652.98 and 5,189.58 is: 7,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.38 : 12,652.98 = 5,189.58 : x
  2. Step 2: Convert to fraction form
    9,169.38/12,652.98 = 5,189.58/x
  3. Step 3: Cross multiply
    9,169.38x = 12,652.98 × 5,189.58
  4. Step 4: Simplify right side
    9,169.38x = 65,663,651.95
  5. Step 5: Solve for x
    x = 65,663,651.95/9,169.38
  6. Step 6: Final answer
    x = 7,161.19

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.