Home / 11,110.11-16,655.43-4,179.75

Finding the Fourth Proportional to 11,110.11, 16,655.43 and 4,179.75

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Solution

The fourth proportional to 11,110.11, 16,655.43 and 4,179.75 is: 6,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.11 : 16,655.43 = 4,179.75 : x
  2. Step 2: Convert to fraction form
    11,110.11/16,655.43 = 4,179.75/x
  3. Step 3: Cross multiply
    11,110.11x = 16,655.43 × 4,179.75
  4. Step 4: Simplify right side
    11,110.11x = 69,615,533.54
  5. Step 5: Solve for x
    x = 69,615,533.54/11,110.11
  6. Step 6: Final answer
    x = 6,265.96

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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.