Home / 8,232.12-12,337.20-7,131.33

Finding the Fourth Proportional to 8,232.12, 12,337.20 and 7,131.33

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Solution

The fourth proportional to 8,232.12, 12,337.20 and 7,131.33 is: 10,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232.12 : 12,337.20 = 7,131.33 : x
  2. Step 2: Convert to fraction form
    8,232.12/12,337.20 = 7,131.33/x
  3. Step 3: Cross multiply
    8,232.12x = 12,337.20 × 7,131.33
  4. Step 4: Simplify right side
    8,232.12x = 87,980,644.48
  5. Step 5: Solve for x
    x = 87,980,644.48/8,232.12
  6. Step 6: Final answer
    x = 10,687.48

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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.