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Finding the Fourth Proportional to 9,863.87, 14,799.25 and 6,161.76

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Solution

The fourth proportional to 9,863.87, 14,799.25 and 6,161.76 is: 9,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.87 : 14,799.25 = 6,161.76 : x
  2. Step 2: Convert to fraction form
    9,863.87/14,799.25 = 6,161.76/x
  3. Step 3: Cross multiply
    9,863.87x = 14,799.25 × 6,161.76
  4. Step 4: Simplify right side
    9,863.87x = 91,189,411.28
  5. Step 5: Solve for x
    x = 91,189,411.28/9,863.87
  6. Step 6: Final answer
    x = 9,244.80

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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.