Home / 12,132.67-18,194.46-4,233.15

Finding the Fourth Proportional to 12,132.67, 18,194.46 and 4,233.15

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Solution

The fourth proportional to 12,132.67, 18,194.46 and 4,233.15 is: 6,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.67 : 18,194.46 = 4,233.15 : x
  2. Step 2: Convert to fraction form
    12,132.67/18,194.46 = 4,233.15/x
  3. Step 3: Cross multiply
    12,132.67x = 18,194.46 × 4,233.15
  4. Step 4: Simplify right side
    12,132.67x = 77,019,878.35
  5. Step 5: Solve for x
    x = 77,019,878.35/12,132.67
  6. Step 6: Final answer
    x = 6,348.14

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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.