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Finding the Fourth Proportional to 11,793.98, 16,276.12 and 6,488.66

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Solution

The fourth proportional to 11,793.98, 16,276.12 and 6,488.66 is: 8,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.98 : 16,276.12 = 6,488.66 : x
  2. Step 2: Convert to fraction form
    11,793.98/16,276.12 = 6,488.66/x
  3. Step 3: Cross multiply
    11,793.98x = 16,276.12 × 6,488.66
  4. Step 4: Simplify right side
    11,793.98x = 105,610,208.80
  5. Step 5: Solve for x
    x = 105,610,208.80/11,793.98
  6. Step 6: Final answer
    x = 8,954.59

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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.