Home / 8,974.50-12,380.56-6,323.37

Finding the Fourth Proportional to 8,974.50, 12,380.56 and 6,323.37

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Solution

The fourth proportional to 8,974.50, 12,380.56 and 6,323.37 is: 8,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.50 : 12,380.56 = 6,323.37 : x
  2. Step 2: Convert to fraction form
    8,974.50/12,380.56 = 6,323.37/x
  3. Step 3: Cross multiply
    8,974.50x = 12,380.56 × 6,323.37
  4. Step 4: Simplify right side
    8,974.50x = 78,286,845.88
  5. Step 5: Solve for x
    x = 78,286,845.88/8,974.50
  6. Step 6: Final answer
    x = 8,723.25

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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.