Home / 9,586.38-13,229.31-5,279.96

Finding the Fourth Proportional to 9,586.38, 13,229.31 and 5,279.96

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Solution

The fourth proportional to 9,586.38, 13,229.31 and 5,279.96 is: 7,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,586.38 : 13,229.31 = 5,279.96 : x
  2. Step 2: Convert to fraction form
    9,586.38/13,229.31 = 5,279.96/x
  3. Step 3: Cross multiply
    9,586.38x = 13,229.31 × 5,279.96
  4. Step 4: Simplify right side
    9,586.38x = 69,850,161.48
  5. Step 5: Solve for x
    x = 69,850,161.48/9,586.38
  6. Step 6: Final answer
    x = 7,286.40

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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.