Home / 7,542.81-11,309.24-3,377.12

Finding the Fourth Proportional to 7,542.81, 11,309.24 and 3,377.12

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Solution

The fourth proportional to 7,542.81, 11,309.24 and 3,377.12 is: 5,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.81 : 11,309.24 = 3,377.12 : x
  2. Step 2: Convert to fraction form
    7,542.81/11,309.24 = 3,377.12/x
  3. Step 3: Cross multiply
    7,542.81x = 11,309.24 × 3,377.12
  4. Step 4: Simplify right side
    7,542.81x = 38,192,587.16
  5. Step 5: Solve for x
    x = 38,192,587.16/7,542.81
  6. Step 6: Final answer
    x = 5,063.44

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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.