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Finding the Fourth Proportional to 12,099.18, 16,697.06 and 6,793.88

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Solution

The fourth proportional to 12,099.18, 16,697.06 and 6,793.88 is: 9,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.18 : 16,697.06 = 6,793.88 : x
  2. Step 2: Convert to fraction form
    12,099.18/16,697.06 = 6,793.88/x
  3. Step 3: Cross multiply
    12,099.18x = 16,697.06 × 6,793.88
  4. Step 4: Simplify right side
    12,099.18x = 113,437,738.51
  5. Step 5: Solve for x
    x = 113,437,738.51/12,099.18
  6. Step 6: Final answer
    x = 9,375.66

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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.