Home / 12,884.11-19,327.98-4,116.97

Finding the Fourth Proportional to 12,884.11, 19,327.98 and 4,116.97

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Solution

The fourth proportional to 12,884.11, 19,327.98 and 4,116.97 is: 6,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.11 : 19,327.98 = 4,116.97 : x
  2. Step 2: Convert to fraction form
    12,884.11/19,327.98 = 4,116.97/x
  3. Step 3: Cross multiply
    12,884.11x = 19,327.98 × 4,116.97
  4. Step 4: Simplify right side
    12,884.11x = 79,572,753.42
  5. Step 5: Solve for x
    x = 79,572,753.42/12,884.11
  6. Step 6: Final answer
    x = 6,176.04

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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.