Home / 12,293.80-18,443.58-3,974.44

Finding the Fourth Proportional to 12,293.80, 18,443.58 and 3,974.44

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Solution

The fourth proportional to 12,293.80, 18,443.58 and 3,974.44 is: 5,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.80 : 18,443.58 = 3,974.44 : x
  2. Step 2: Convert to fraction form
    12,293.80/18,443.58 = 3,974.44/x
  3. Step 3: Cross multiply
    12,293.80x = 18,443.58 × 3,974.44
  4. Step 4: Simplify right side
    12,293.80x = 73,302,902.10
  5. Step 5: Solve for x
    x = 73,302,902.10/12,293.80
  6. Step 6: Final answer
    x = 5,962.59

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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.