Home / 11,201.55-16,800.48-4,179.73

Finding the Fourth Proportional to 11,201.55, 16,800.48 and 4,179.73

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Solution

The fourth proportional to 11,201.55, 16,800.48 and 4,179.73 is: 6,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.55 : 16,800.48 = 4,179.73 : x
  2. Step 2: Convert to fraction form
    11,201.55/16,800.48 = 4,179.73/x
  3. Step 3: Cross multiply
    11,201.55x = 16,800.48 × 4,179.73
  4. Step 4: Simplify right side
    11,201.55x = 70,221,428.27
  5. Step 5: Solve for x
    x = 70,221,428.27/11,201.55
  6. Step 6: Final answer
    x = 6,268.90

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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.