Home / 11,674.13-17,513.09-3,778.62

Finding the Fourth Proportional to 11,674.13, 17,513.09 and 3,778.62

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Solution

The fourth proportional to 11,674.13, 17,513.09 and 3,778.62 is: 5,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.13 : 17,513.09 = 3,778.62 : x
  2. Step 2: Convert to fraction form
    11,674.13/17,513.09 = 3,778.62/x
  3. Step 3: Cross multiply
    11,674.13x = 17,513.09 × 3,778.62
  4. Step 4: Simplify right side
    11,674.13x = 66,175,378.88
  5. Step 5: Solve for x
    x = 66,175,378.88/11,674.13
  6. Step 6: Final answer
    x = 5,668.55

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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.