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Finding the Fourth Proportional to 10,843.26, 16,242.21 and 6,927.78

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Solution

The fourth proportional to 10,843.26, 16,242.21 and 6,927.78 is: 10,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.26 : 16,242.21 = 6,927.78 : x
  2. Step 2: Convert to fraction form
    10,843.26/16,242.21 = 6,927.78/x
  3. Step 3: Cross multiply
    10,843.26x = 16,242.21 × 6,927.78
  4. Step 4: Simplify right side
    10,843.26x = 112,522,457.59
  5. Step 5: Solve for x
    x = 112,522,457.59/10,843.26
  6. Step 6: Final answer
    x = 10,377.18

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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.