Home / 12,049.57-18,081.19-4,654.55

Finding the Fourth Proportional to 12,049.57, 18,081.19 and 4,654.55

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Solution

The fourth proportional to 12,049.57, 18,081.19 and 4,654.55 is: 6,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.57 : 18,081.19 = 4,654.55 : x
  2. Step 2: Convert to fraction form
    12,049.57/18,081.19 = 4,654.55/x
  3. Step 3: Cross multiply
    12,049.57x = 18,081.19 × 4,654.55
  4. Step 4: Simplify right side
    12,049.57x = 84,159,726.05
  5. Step 5: Solve for x
    x = 84,159,726.05/12,049.57
  6. Step 6: Final answer
    x = 6,984.46

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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.