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Finding the Fourth Proportional to 11,187.60, 16,794.20 and 6,573.20

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Solution

The fourth proportional to 11,187.60, 16,794.20 and 6,573.20 is: 9,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.60 : 16,794.20 = 6,573.20 : x
  2. Step 2: Convert to fraction form
    11,187.60/16,794.20 = 6,573.20/x
  3. Step 3: Cross multiply
    11,187.60x = 16,794.20 × 6,573.20
  4. Step 4: Simplify right side
    11,187.60x = 110,391,635.44
  5. Step 5: Solve for x
    x = 110,391,635.44/11,187.60
  6. Step 6: Final answer
    x = 9,867.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.