Home / 11,199.87-16,796.75-4,179.60

Finding the Fourth Proportional to 11,199.87, 16,796.75 and 4,179.60

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Solution

The fourth proportional to 11,199.87, 16,796.75 and 4,179.60 is: 6,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.87 : 16,796.75 = 4,179.60 : x
  2. Step 2: Convert to fraction form
    11,199.87/16,796.75 = 4,179.60/x
  3. Step 3: Cross multiply
    11,199.87x = 16,796.75 × 4,179.60
  4. Step 4: Simplify right side
    11,199.87x = 70,203,675.40
  5. Step 5: Solve for x
    x = 70,203,675.40/11,199.87
  6. Step 6: Final answer
    x = 6,268.26

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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.