Home / 12,367.88-18,552.30-3,134.12

Finding the Fourth Proportional to 12,367.88, 18,552.30 and 3,134.12

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Solution

The fourth proportional to 12,367.88, 18,552.30 and 3,134.12 is: 4,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.88 : 18,552.30 = 3,134.12 : x
  2. Step 2: Convert to fraction form
    12,367.88/18,552.30 = 3,134.12/x
  3. Step 3: Cross multiply
    12,367.88x = 18,552.30 × 3,134.12
  4. Step 4: Simplify right side
    12,367.88x = 58,145,134.48
  5. Step 5: Solve for x
    x = 58,145,134.48/12,367.88
  6. Step 6: Final answer
    x = 4,701.30

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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.