Home / 10,114.35-15,178.37-3,540.59

Finding the Fourth Proportional to 10,114.35, 15,178.37 and 3,540.59

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Solution

The fourth proportional to 10,114.35, 15,178.37 and 3,540.59 is: 5,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.35 : 15,178.37 = 3,540.59 : x
  2. Step 2: Convert to fraction form
    10,114.35/15,178.37 = 3,540.59/x
  3. Step 3: Cross multiply
    10,114.35x = 15,178.37 × 3,540.59
  4. Step 4: Simplify right side
    10,114.35x = 53,740,453.66
  5. Step 5: Solve for x
    x = 53,740,453.66/10,114.35
  6. Step 6: Final answer
    x = 5,313.29

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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.