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Finding the Fourth Proportional to 11,793.40, 16,274.10 and 6,757.64

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Solution

The fourth proportional to 11,793.40, 16,274.10 and 6,757.64 is: 9,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.40 : 16,274.10 = 6,757.64 : x
  2. Step 2: Convert to fraction form
    11,793.40/16,274.10 = 6,757.64/x
  3. Step 3: Cross multiply
    11,793.40x = 16,274.10 × 6,757.64
  4. Step 4: Simplify right side
    11,793.40x = 109,974,509.12
  5. Step 5: Solve for x
    x = 109,974,509.12/11,793.40
  6. Step 6: Final answer
    x = 9,325.09

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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.