Home / 12,198.72-18,304.23-4,808.48

Finding the Fourth Proportional to 12,198.72, 18,304.23 and 4,808.48

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Solution

The fourth proportional to 12,198.72, 18,304.23 and 4,808.48 is: 7,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.72 : 18,304.23 = 4,808.48 : x
  2. Step 2: Convert to fraction form
    12,198.72/18,304.23 = 4,808.48/x
  3. Step 3: Cross multiply
    12,198.72x = 18,304.23 × 4,808.48
  4. Step 4: Simplify right side
    12,198.72x = 88,015,432.35
  5. Step 5: Solve for x
    x = 88,015,432.35/12,198.72
  6. Step 6: Final answer
    x = 7,215.14

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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.