Home / 12,219.44-16,863.17-6,841.71

Finding the Fourth Proportional to 12,219.44, 16,863.17 and 6,841.71

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Solution

The fourth proportional to 12,219.44, 16,863.17 and 6,841.71 is: 9,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.44 : 16,863.17 = 6,841.71 : x
  2. Step 2: Convert to fraction form
    12,219.44/16,863.17 = 6,841.71/x
  3. Step 3: Cross multiply
    12,219.44x = 16,863.17 × 6,841.71
  4. Step 4: Simplify right side
    12,219.44x = 115,372,884.61
  5. Step 5: Solve for x
    x = 115,372,884.61/12,219.44
  6. Step 6: Final answer
    x = 9,441.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.