Home / 7,183.28-9,912.89-4,198.52

Finding the Fourth Proportional to 7,183.28, 9,912.89 and 4,198.52

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Solution

The fourth proportional to 7,183.28, 9,912.89 and 4,198.52 is: 5,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.28 : 9,912.89 = 4,198.52 : x
  2. Step 2: Convert to fraction form
    7,183.28/9,912.89 = 4,198.52/x
  3. Step 3: Cross multiply
    7,183.28x = 9,912.89 × 4,198.52
  4. Step 4: Simplify right side
    7,183.28x = 41,619,396.37
  5. Step 5: Solve for x
    x = 41,619,396.37/7,183.28
  6. Step 6: Final answer
    x = 5,793.93

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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.