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Finding the Fourth Proportional to 9,863.16, 14,799.60 and 6,960.12

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Solution

The fourth proportional to 9,863.16, 14,799.60 and 6,960.12 is: 10,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.16 : 14,799.60 = 6,960.12 : x
  2. Step 2: Convert to fraction form
    9,863.16/14,799.60 = 6,960.12/x
  3. Step 3: Cross multiply
    9,863.16x = 14,799.60 × 6,960.12
  4. Step 4: Simplify right side
    9,863.16x = 103,006,991.95
  5. Step 5: Solve for x
    x = 103,006,991.95/9,863.16
  6. Step 6: Final answer
    x = 10,443.61

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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.