Home / 10,924.20-16,382.70-3,997.80

Finding the Fourth Proportional to 10,924.20, 16,382.70 and 3,997.80

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Solution

The fourth proportional to 10,924.20, 16,382.70 and 3,997.80 is: 5,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.20 : 16,382.70 = 3,997.80 : x
  2. Step 2: Convert to fraction form
    10,924.20/16,382.70 = 3,997.80/x
  3. Step 3: Cross multiply
    10,924.20x = 16,382.70 × 3,997.80
  4. Step 4: Simplify right side
    10,924.20x = 65,494,758.06
  5. Step 5: Solve for x
    x = 65,494,758.06/10,924.20
  6. Step 6: Final answer
    x = 5,995.38

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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.