Home / 7,474.56-11,212.38-2,542.20

Finding the Fourth Proportional to 7,474.56, 11,212.38 and 2,542.20

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Solution

The fourth proportional to 7,474.56, 11,212.38 and 2,542.20 is: 3,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.56 : 11,212.38 = 2,542.20 : x
  2. Step 2: Convert to fraction form
    7,474.56/11,212.38 = 2,542.20/x
  3. Step 3: Cross multiply
    7,474.56x = 11,212.38 × 2,542.20
  4. Step 4: Simplify right side
    7,474.56x = 28,504,112.44
  5. Step 5: Solve for x
    x = 28,504,112.44/7,474.56
  6. Step 6: Final answer
    x = 3,813.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.