Home / 12,344.44-18,521.22-5,772.76

Finding the Fourth Proportional to 12,344.44, 18,521.22 and 5,772.76

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Solution

The fourth proportional to 12,344.44, 18,521.22 and 5,772.76 is: 8,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.44 : 18,521.22 = 5,772.76 : x
  2. Step 2: Convert to fraction form
    12,344.44/18,521.22 = 5,772.76/x
  3. Step 3: Cross multiply
    12,344.44x = 18,521.22 × 5,772.76
  4. Step 4: Simplify right side
    12,344.44x = 106,918,557.97
  5. Step 5: Solve for x
    x = 106,918,557.97/12,344.44
  6. Step 6: Final answer
    x = 8,661.27

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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.