Home / 34,101.72-51,141.36-11,910.12

Finding the Fourth Proportional to 34,101.72, 51,141.36 and 11,910.12

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Solution

The fourth proportional to 34,101.72, 51,141.36 and 11,910.12 is: 17,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.72 : 51,141.36 = 11,910.12 : x
  2. Step 2: Convert to fraction form
    34,101.72/51,141.36 = 11,910.12/x
  3. Step 3: Cross multiply
    34,101.72x = 51,141.36 × 11,910.12
  4. Step 4: Simplify right side
    34,101.72x = 609,099,734.56
  5. Step 5: Solve for x
    x = 609,099,734.56/34,101.72
  6. Step 6: Final answer
    x = 17,861.26

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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.