Home / 11,551.90-17,327.69-2,786.74

Finding the Fourth Proportional to 11,551.90, 17,327.69 and 2,786.74

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Solution

The fourth proportional to 11,551.90, 17,327.69 and 2,786.74 is: 4,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.90 : 17,327.69 = 2,786.74 : x
  2. Step 2: Convert to fraction form
    11,551.90/17,327.69 = 2,786.74/x
  3. Step 3: Cross multiply
    11,551.90x = 17,327.69 × 2,786.74
  4. Step 4: Simplify right side
    11,551.90x = 48,287,766.83
  5. Step 5: Solve for x
    x = 48,287,766.83/11,551.90
  6. Step 6: Final answer
    x = 4,180.07

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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.