Home / 12,049.64-18,074.48-3,285.88

Finding the Fourth Proportional to 12,049.64, 18,074.48 and 3,285.88

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Solution

The fourth proportional to 12,049.64, 18,074.48 and 3,285.88 is: 4,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.64 : 18,074.48 = 3,285.88 : x
  2. Step 2: Convert to fraction form
    12,049.64/18,074.48 = 3,285.88/x
  3. Step 3: Cross multiply
    12,049.64x = 18,074.48 × 3,285.88
  4. Step 4: Simplify right side
    12,049.64x = 59,390,572.34
  5. Step 5: Solve for x
    x = 59,390,572.34/12,049.64
  6. Step 6: Final answer
    x = 4,928.83

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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.