Home / 12,073.88-18,108.86-3,306.74

Finding the Fourth Proportional to 12,073.88, 18,108.86 and 3,306.74

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Solution

The fourth proportional to 12,073.88, 18,108.86 and 3,306.74 is: 4,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.88 : 18,108.86 = 3,306.74 : x
  2. Step 2: Convert to fraction form
    12,073.88/18,108.86 = 3,306.74/x
  3. Step 3: Cross multiply
    12,073.88x = 18,108.86 × 3,306.74
  4. Step 4: Simplify right side
    12,073.88x = 59,881,209.44
  5. Step 5: Solve for x
    x = 59,881,209.44/12,073.88
  6. Step 6: Final answer
    x = 4,959.57

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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.