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Finding the Fourth Proportional to 10,797.13, 14,887.75 and 8,801.49

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Solution

The fourth proportional to 10,797.13, 14,887.75 and 8,801.49 is: 12,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797.13 : 14,887.75 = 8,801.49 : x
  2. Step 2: Convert to fraction form
    10,797.13/14,887.75 = 8,801.49/x
  3. Step 3: Cross multiply
    10,797.13x = 14,887.75 × 8,801.49
  4. Step 4: Simplify right side
    10,797.13x = 131,034,382.75
  5. Step 5: Solve for x
    x = 131,034,382.75/10,797.13
  6. Step 6: Final answer
    x = 12,136.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.