Home / 11,493.36-17,238.74-3,174.56

Finding the Fourth Proportional to 11,493.36, 17,238.74 and 3,174.56

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Solution

The fourth proportional to 11,493.36, 17,238.74 and 3,174.56 is: 4,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.36 : 17,238.74 = 3,174.56 : x
  2. Step 2: Convert to fraction form
    11,493.36/17,238.74 = 3,174.56/x
  3. Step 3: Cross multiply
    11,493.36x = 17,238.74 × 3,174.56
  4. Step 4: Simplify right side
    11,493.36x = 54,725,394.89
  5. Step 5: Solve for x
    x = 54,725,394.89/11,493.36
  6. Step 6: Final answer
    x = 4,761.48

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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.