Home / 11,786.27-17,673.85-4,284.55

Finding the Fourth Proportional to 11,786.27, 17,673.85 and 4,284.55

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Solution

The fourth proportional to 11,786.27, 17,673.85 and 4,284.55 is: 6,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.27 : 17,673.85 = 4,284.55 : x
  2. Step 2: Convert to fraction form
    11,786.27/17,673.85 = 4,284.55/x
  3. Step 3: Cross multiply
    11,786.27x = 17,673.85 × 4,284.55
  4. Step 4: Simplify right side
    11,786.27x = 75,724,521.47
  5. Step 5: Solve for x
    x = 75,724,521.47/11,786.27
  6. Step 6: Final answer
    x = 6,424.81

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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.