Home / 11,682.27-17,521.68-3,783.78

Finding the Fourth Proportional to 11,682.27, 17,521.68 and 3,783.78

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Solution

The fourth proportional to 11,682.27, 17,521.68 and 3,783.78 is: 5,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.27 : 17,521.68 = 3,783.78 : x
  2. Step 2: Convert to fraction form
    11,682.27/17,521.68 = 3,783.78/x
  3. Step 3: Cross multiply
    11,682.27x = 17,521.68 × 3,783.78
  4. Step 4: Simplify right side
    11,682.27x = 66,298,182.35
  5. Step 5: Solve for x
    x = 66,298,182.35/11,682.27
  6. Step 6: Final answer
    x = 5,675.11

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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.