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Finding the Fourth Proportional to 10,797.83, 16,160.18 and 6,640.48

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Solution

The fourth proportional to 10,797.83, 16,160.18 and 6,640.48 is: 9,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797.83 : 16,160.18 = 6,640.48 : x
  2. Step 2: Convert to fraction form
    10,797.83/16,160.18 = 6,640.48/x
  3. Step 3: Cross multiply
    10,797.83x = 16,160.18 × 6,640.48
  4. Step 4: Simplify right side
    10,797.83x = 107,311,278.48
  5. Step 5: Solve for x
    x = 107,311,278.48/10,797.83
  6. Step 6: Final answer
    x = 9,938.22

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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.