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Finding the Fourth Proportional to 11,793.62, 16,274.86 and 6,488.44

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Solution

The fourth proportional to 11,793.62, 16,274.86 and 6,488.44 is: 8,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.62 : 16,274.86 = 6,488.44 : x
  2. Step 2: Convert to fraction form
    11,793.62/16,274.86 = 6,488.44/x
  3. Step 3: Cross multiply
    11,793.62x = 16,274.86 × 6,488.44
  4. Step 4: Simplify right side
    11,793.62x = 105,598,395.71
  5. Step 5: Solve for x
    x = 105,598,395.71/11,793.62
  6. Step 6: Final answer
    x = 8,953.86

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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.