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Finding the Fourth Proportional to 10,863.68, 16,300.38 and 6,246.68

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Solution

The fourth proportional to 10,863.68, 16,300.38 and 6,246.68 is: 9,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.68 : 16,300.38 = 6,246.68 : x
  2. Step 2: Convert to fraction form
    10,863.68/16,300.38 = 6,246.68/x
  3. Step 3: Cross multiply
    10,863.68x = 16,300.38 × 6,246.68
  4. Step 4: Simplify right side
    10,863.68x = 101,823,257.74
  5. Step 5: Solve for x
    x = 101,823,257.74/10,863.68
  6. Step 6: Final answer
    x = 9,372.81

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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.