Home / 12,369.06-18,551.79-3,601.62

Finding the Fourth Proportional to 12,369.06, 18,551.79 and 3,601.62

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Solution

The fourth proportional to 12,369.06, 18,551.79 and 3,601.62 is: 5,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.06 : 18,551.79 = 3,601.62 : x
  2. Step 2: Convert to fraction form
    12,369.06/18,551.79 = 3,601.62/x
  3. Step 3: Cross multiply
    12,369.06x = 18,551.79 × 3,601.62
  4. Step 4: Simplify right side
    12,369.06x = 66,816,497.90
  5. Step 5: Solve for x
    x = 66,816,497.90/12,369.06
  6. Step 6: Final answer
    x = 5,401.91

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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.