Home / 11,476.80-17,215.21-3,691.08

Finding the Fourth Proportional to 11,476.80, 17,215.21 and 3,691.08

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Solution

The fourth proportional to 11,476.80, 17,215.21 and 3,691.08 is: 5,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.80 : 17,215.21 = 3,691.08 : x
  2. Step 2: Convert to fraction form
    11,476.80/17,215.21 = 3,691.08/x
  3. Step 3: Cross multiply
    11,476.80x = 17,215.21 × 3,691.08
  4. Step 4: Simplify right side
    11,476.80x = 63,542,717.33
  5. Step 5: Solve for x
    x = 63,542,717.33/11,476.80
  6. Step 6: Final answer
    x = 5,536.62

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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.