Home / 12,584.11-18,876.84-3,224.20

Finding the Fourth Proportional to 12,584.11, 18,876.84 and 3,224.20

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Solution

The fourth proportional to 12,584.11, 18,876.84 and 3,224.20 is: 4,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.11 : 18,876.84 = 3,224.20 : x
  2. Step 2: Convert to fraction form
    12,584.11/18,876.84 = 3,224.20/x
  3. Step 3: Cross multiply
    12,584.11x = 18,876.84 × 3,224.20
  4. Step 4: Simplify right side
    12,584.11x = 60,862,707.53
  5. Step 5: Solve for x
    x = 60,862,707.53/12,584.11
  6. Step 6: Final answer
    x = 4,836.47

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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.