Home / 10,940.89-16,412.55-4,015.39

Finding the Fourth Proportional to 10,940.89, 16,412.55 and 4,015.39

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Solution

The fourth proportional to 10,940.89, 16,412.55 and 4,015.39 is: 6,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.89 : 16,412.55 = 4,015.39 : x
  2. Step 2: Convert to fraction form
    10,940.89/16,412.55 = 4,015.39/x
  3. Step 3: Cross multiply
    10,940.89x = 16,412.55 × 4,015.39
  4. Step 4: Simplify right side
    10,940.89x = 65,902,789.14
  5. Step 5: Solve for x
    x = 65,902,789.14/10,940.89
  6. Step 6: Final answer
    x = 6,023.53

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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.