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Finding the Fourth Proportional to 11,806.01, 16,310.19 and 8,816.69

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Solution

The fourth proportional to 11,806.01, 16,310.19 and 8,816.69 is: 12,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.01 : 16,310.19 = 8,816.69 : x
  2. Step 2: Convert to fraction form
    11,806.01/16,310.19 = 8,816.69/x
  3. Step 3: Cross multiply
    11,806.01x = 16,310.19 × 8,816.69
  4. Step 4: Simplify right side
    11,806.01x = 143,801,807.52
  5. Step 5: Solve for x
    x = 143,801,807.52/11,806.01
  6. Step 6: Final answer
    x = 12,180.40

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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.