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Finding the Fourth Proportional to 11,793.43, 16,274.76 and 6,487.93

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Solution

The fourth proportional to 11,793.43, 16,274.76 and 6,487.93 is: 8,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.43 : 16,274.76 = 6,487.93 : x
  2. Step 2: Convert to fraction form
    11,793.43/16,274.76 = 6,487.93/x
  3. Step 3: Cross multiply
    11,793.43x = 16,274.76 × 6,487.93
  4. Step 4: Simplify right side
    11,793.43x = 105,589,503.65
  5. Step 5: Solve for x
    x = 105,589,503.65/11,793.43
  6. Step 6: Final answer
    x = 8,953.25

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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.