Home / 12,228.96-18,332.90-5,202.54

Finding the Fourth Proportional to 12,228.96, 18,332.90 and 5,202.54

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Solution

The fourth proportional to 12,228.96, 18,332.90 and 5,202.54 is: 7,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.96 : 18,332.90 = 5,202.54 : x
  2. Step 2: Convert to fraction form
    12,228.96/18,332.90 = 5,202.54/x
  3. Step 3: Cross multiply
    12,228.96x = 18,332.90 × 5,202.54
  4. Step 4: Simplify right side
    12,228.96x = 95,377,645.57
  5. Step 5: Solve for x
    x = 95,377,645.57/12,228.96
  6. Step 6: Final answer
    x = 7,799.33

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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.