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Finding the Fourth Proportional to 8,874.15, 13,311.22 and 4,194.63

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Solution

The fourth proportional to 8,874.15, 13,311.22 and 4,194.63 is: 6,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.15 : 13,311.22 = 4,194.63 : x
  2. Step 2: Convert to fraction form
    8,874.15/13,311.22 = 4,194.63/x
  3. Step 3: Cross multiply
    8,874.15x = 13,311.22 × 4,194.63
  4. Step 4: Simplify right side
    8,874.15x = 55,835,642.75
  5. Step 5: Solve for x
    x = 55,835,642.75/8,874.15
  6. Step 6: Final answer
    x = 6,291.94

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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.