Home / 12,031.97-18,049.52-4,638.55

Finding the Fourth Proportional to 12,031.97, 18,049.52 and 4,638.55

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Solution

The fourth proportional to 12,031.97, 18,049.52 and 4,638.55 is: 6,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.97 : 18,049.52 = 4,638.55 : x
  2. Step 2: Convert to fraction form
    12,031.97/18,049.52 = 4,638.55/x
  3. Step 3: Cross multiply
    12,031.97x = 18,049.52 × 4,638.55
  4. Step 4: Simplify right side
    12,031.97x = 83,723,532.68
  5. Step 5: Solve for x
    x = 83,723,532.68/12,031.97
  6. Step 6: Final answer
    x = 6,958.42

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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.