Home / 12,049.61-18,074.55-4,252.95

Finding the Fourth Proportional to 12,049.61, 18,074.55 and 4,252.95

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Solution

The fourth proportional to 12,049.61, 18,074.55 and 4,252.95 is: 6,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.61 : 18,074.55 = 4,252.95 : x
  2. Step 2: Convert to fraction form
    12,049.61/18,074.55 = 4,252.95/x
  3. Step 3: Cross multiply
    12,049.61x = 18,074.55 × 4,252.95
  4. Step 4: Simplify right side
    12,049.61x = 76,870,157.42
  5. Step 5: Solve for x
    x = 76,870,157.42/12,049.61
  6. Step 6: Final answer
    x = 6,379.48

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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.