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Finding the Fourth Proportional to 8,834.22, 12,191.73 and 5,299.86

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Solution

The fourth proportional to 8,834.22, 12,191.73 and 5,299.86 is: 7,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.22 : 12,191.73 = 5,299.86 : x
  2. Step 2: Convert to fraction form
    8,834.22/12,191.73 = 5,299.86/x
  3. Step 3: Cross multiply
    8,834.22x = 12,191.73 × 5,299.86
  4. Step 4: Simplify right side
    8,834.22x = 64,614,462.16
  5. Step 5: Solve for x
    x = 64,614,462.16/8,834.22
  6. Step 6: Final answer
    x = 7,314.11

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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.