Home / 9,480.20-13,082.46-5,231.09

Finding the Fourth Proportional to 9,480.20, 13,082.46 and 5,231.09

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Solution

The fourth proportional to 9,480.20, 13,082.46 and 5,231.09 is: 7,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.20 : 13,082.46 = 5,231.09 : x
  2. Step 2: Convert to fraction form
    9,480.20/13,082.46 = 5,231.09/x
  3. Step 3: Cross multiply
    9,480.20x = 13,082.46 × 5,231.09
  4. Step 4: Simplify right side
    9,480.20x = 68,435,558.39
  5. Step 5: Solve for x
    x = 68,435,558.39/9,480.20
  6. Step 6: Final answer
    x = 7,218.79

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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.