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Finding the Fourth Proportional to 7,194.96, 10,811.96 and 3,910.48

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Solution

The fourth proportional to 7,194.96, 10,811.96 and 3,910.48 is: 5,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.96 : 10,811.96 = 3,910.48 : x
  2. Step 2: Convert to fraction form
    7,194.96/10,811.96 = 3,910.48/x
  3. Step 3: Cross multiply
    7,194.96x = 10,811.96 × 3,910.48
  4. Step 4: Simplify right side
    7,194.96x = 42,279,953.34
  5. Step 5: Solve for x
    x = 42,279,953.34/7,194.96
  6. Step 6: Final answer
    x = 5,876.33

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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.