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Finding the Fourth Proportional to 11,793.14, 16,274.64 and 6,487.90

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Solution

The fourth proportional to 11,793.14, 16,274.64 and 6,487.90 is: 8,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.14 : 16,274.64 = 6,487.90 : x
  2. Step 2: Convert to fraction form
    11,793.14/16,274.64 = 6,487.90/x
  3. Step 3: Cross multiply
    11,793.14x = 16,274.64 × 6,487.90
  4. Step 4: Simplify right side
    11,793.14x = 105,588,236.86
  5. Step 5: Solve for x
    x = 105,588,236.86/11,793.14
  6. Step 6: Final answer
    x = 8,953.36

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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.