Home / 11,201.13-16,789.97-4,178.32

Finding the Fourth Proportional to 11,201.13, 16,789.97 and 4,178.32

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Solution

The fourth proportional to 11,201.13, 16,789.97 and 4,178.32 is: 6,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.13 : 16,789.97 = 4,178.32 : x
  2. Step 2: Convert to fraction form
    11,201.13/16,789.97 = 4,178.32/x
  3. Step 3: Cross multiply
    11,201.13x = 16,789.97 × 4,178.32
  4. Step 4: Simplify right side
    11,201.13x = 70,153,835.92
  5. Step 5: Solve for x
    x = 70,153,835.92/11,201.13
  6. Step 6: Final answer
    x = 6,263.10

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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.