Home / 11,648.28-17,469.49-4,981.48

Finding the Fourth Proportional to 11,648.28, 17,469.49 and 4,981.48

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Solution

The fourth proportional to 11,648.28, 17,469.49 and 4,981.48 is: 7,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.28 : 17,469.49 = 4,981.48 : x
  2. Step 2: Convert to fraction form
    11,648.28/17,469.49 = 4,981.48/x
  3. Step 3: Cross multiply
    11,648.28x = 17,469.49 × 4,981.48
  4. Step 4: Simplify right side
    11,648.28x = 87,023,915.05
  5. Step 5: Solve for x
    x = 87,023,915.05/11,648.28
  6. Step 6: Final answer
    x = 7,470.97

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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.