Home / 11,179.24-16,768.68-2,859.18

Finding the Fourth Proportional to 11,179.24, 16,768.68 and 2,859.18

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Solution

The fourth proportional to 11,179.24, 16,768.68 and 2,859.18 is: 4,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.24 : 16,768.68 = 2,859.18 : x
  2. Step 2: Convert to fraction form
    11,179.24/16,768.68 = 2,859.18/x
  3. Step 3: Cross multiply
    11,179.24x = 16,768.68 × 2,859.18
  4. Step 4: Simplify right side
    11,179.24x = 47,944,685.20
  5. Step 5: Solve for x
    x = 47,944,685.20/11,179.24
  6. Step 6: Final answer
    x = 4,288.73

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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.