Home / 11,819.06-17,730.42-4,027.28

Finding the Fourth Proportional to 11,819.06, 17,730.42 and 4,027.28

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Solution

The fourth proportional to 11,819.06, 17,730.42 and 4,027.28 is: 6,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.06 : 17,730.42 = 4,027.28 : x
  2. Step 2: Convert to fraction form
    11,819.06/17,730.42 = 4,027.28/x
  3. Step 3: Cross multiply
    11,819.06x = 17,730.42 × 4,027.28
  4. Step 4: Simplify right side
    11,819.06x = 71,405,365.86
  5. Step 5: Solve for x
    x = 71,405,365.86/11,819.06
  6. Step 6: Final answer
    x = 6,041.54

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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.