Home / 11,240.62-16,859.49-3,448.78

Finding the Fourth Proportional to 11,240.62, 16,859.49 and 3,448.78

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Solution

The fourth proportional to 11,240.62, 16,859.49 and 3,448.78 is: 5,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.62 : 16,859.49 = 3,448.78 : x
  2. Step 2: Convert to fraction form
    11,240.62/16,859.49 = 3,448.78/x
  3. Step 3: Cross multiply
    11,240.62x = 16,859.49 × 3,448.78
  4. Step 4: Simplify right side
    11,240.62x = 58,144,671.92
  5. Step 5: Solve for x
    x = 58,144,671.92/11,240.62
  6. Step 6: Final answer
    x = 5,172.73

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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.