Home / 9,479.92-13,082.33-5,231.04

Finding the Fourth Proportional to 9,479.92, 13,082.33 and 5,231.04

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Solution

The fourth proportional to 9,479.92, 13,082.33 and 5,231.04 is: 7,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.92 : 13,082.33 = 5,231.04 : x
  2. Step 2: Convert to fraction form
    9,479.92/13,082.33 = 5,231.04/x
  3. Step 3: Cross multiply
    9,479.92x = 13,082.33 × 5,231.04
  4. Step 4: Simplify right side
    9,479.92x = 68,434,191.52
  5. Step 5: Solve for x
    x = 68,434,191.52/9,479.92
  6. Step 6: Final answer
    x = 7,218.86

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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.