Home / 11,645.43-17,470.85-3,325.56

Finding the Fourth Proportional to 11,645.43, 17,470.85 and 3,325.56

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Solution

The fourth proportional to 11,645.43, 17,470.85 and 3,325.56 is: 4,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.43 : 17,470.85 = 3,325.56 : x
  2. Step 2: Convert to fraction form
    11,645.43/17,470.85 = 3,325.56/x
  3. Step 3: Cross multiply
    11,645.43x = 17,470.85 × 3,325.56
  4. Step 4: Simplify right side
    11,645.43x = 58,100,359.93
  5. Step 5: Solve for x
    x = 58,100,359.93/11,645.43
  6. Step 6: Final answer
    x = 4,989.11

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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.