Home / 8,314.42-11,473.90-6,191.78

Finding the Fourth Proportional to 8,314.42, 11,473.90 and 6,191.78

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Solution

The fourth proportional to 8,314.42, 11,473.90 and 6,191.78 is: 8,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.42 : 11,473.90 = 6,191.78 : x
  2. Step 2: Convert to fraction form
    8,314.42/11,473.90 = 6,191.78/x
  3. Step 3: Cross multiply
    8,314.42x = 11,473.90 × 6,191.78
  4. Step 4: Simplify right side
    8,314.42x = 71,043,826.52
  5. Step 5: Solve for x
    x = 71,043,826.52/8,314.42
  6. Step 6: Final answer
    x = 8,544.65

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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.