Home / 10,824.50-16,238.28-4,247.12

Finding the Fourth Proportional to 10,824.50, 16,238.28 and 4,247.12

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Solution

The fourth proportional to 10,824.50, 16,238.28 and 4,247.12 is: 6,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.50 : 16,238.28 = 4,247.12 : x
  2. Step 2: Convert to fraction form
    10,824.50/16,238.28 = 4,247.12/x
  3. Step 3: Cross multiply
    10,824.50x = 16,238.28 × 4,247.12
  4. Step 4: Simplify right side
    10,824.50x = 68,965,923.75
  5. Step 5: Solve for x
    x = 68,965,923.75/10,824.50
  6. Step 6: Final answer
    x = 6,371.28

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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.