Home / 11,272.50-16,919.55-4,696.92

Finding the Fourth Proportional to 11,272.50, 16,919.55 and 4,696.92

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Solution

The fourth proportional to 11,272.50, 16,919.55 and 4,696.92 is: 7,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.50 : 16,919.55 = 4,696.92 : x
  2. Step 2: Convert to fraction form
    11,272.50/16,919.55 = 4,696.92/x
  3. Step 3: Cross multiply
    11,272.50x = 16,919.55 × 4,696.92
  4. Step 4: Simplify right side
    11,272.50x = 79,469,772.79
  5. Step 5: Solve for x
    x = 79,469,772.79/11,272.50
  6. Step 6: Final answer
    x = 7,049.88

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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.