Home / 12,369.62-18,553.98-3,604.70

Finding the Fourth Proportional to 12,369.62, 18,553.98 and 3,604.70

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Solution

The fourth proportional to 12,369.62, 18,553.98 and 3,604.70 is: 5,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.62 : 18,553.98 = 3,604.70 : x
  2. Step 2: Convert to fraction form
    12,369.62/18,553.98 = 3,604.70/x
  3. Step 3: Cross multiply
    12,369.62x = 18,553.98 × 3,604.70
  4. Step 4: Simplify right side
    12,369.62x = 66,881,531.71
  5. Step 5: Solve for x
    x = 66,881,531.71/12,369.62
  6. Step 6: Final answer
    x = 5,406.92

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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.