Home / 12,297.49-18,448.97-3,531.73

Finding the Fourth Proportional to 12,297.49, 18,448.97 and 3,531.73

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Solution

The fourth proportional to 12,297.49, 18,448.97 and 3,531.73 is: 5,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.49 : 18,448.97 = 3,531.73 : x
  2. Step 2: Convert to fraction form
    12,297.49/18,448.97 = 3,531.73/x
  3. Step 3: Cross multiply
    12,297.49x = 18,448.97 × 3,531.73
  4. Step 4: Simplify right side
    12,297.49x = 65,156,780.82
  5. Step 5: Solve for x
    x = 65,156,780.82/12,297.49
  6. Step 6: Final answer
    x = 5,298.38

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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.