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Finding the Fourth Proportional to 6,811.13, 9,393.12 and 4,418.60

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Solution

The fourth proportional to 6,811.13, 9,393.12 and 4,418.60 is: 6,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.13 : 9,393.12 = 4,418.60 : x
  2. Step 2: Convert to fraction form
    6,811.13/9,393.12 = 4,418.60/x
  3. Step 3: Cross multiply
    6,811.13x = 9,393.12 × 4,418.60
  4. Step 4: Simplify right side
    6,811.13x = 41,504,440.03
  5. Step 5: Solve for x
    x = 41,504,440.03/6,811.13
  6. Step 6: Final answer
    x = 6,093.62

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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.