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Finding the Fourth Proportional to 11,750.68, 16,197.54 and 8,906.68

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Solution

The fourth proportional to 11,750.68, 16,197.54 and 8,906.68 is: 12,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.68 : 16,197.54 = 8,906.68 : x
  2. Step 2: Convert to fraction form
    11,750.68/16,197.54 = 8,906.68/x
  3. Step 3: Cross multiply
    11,750.68x = 16,197.54 × 8,906.68
  4. Step 4: Simplify right side
    11,750.68x = 144,266,305.57
  5. Step 5: Solve for x
    x = 144,266,305.57/11,750.68
  6. Step 6: Final answer
    x = 12,277.27

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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.