Home / 11,762.06-17,629.16-5,174.48

Finding the Fourth Proportional to 11,762.06, 17,629.16 and 5,174.48

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Solution

The fourth proportional to 11,762.06, 17,629.16 and 5,174.48 is: 7,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762.06 : 17,629.16 = 5,174.48 : x
  2. Step 2: Convert to fraction form
    11,762.06/17,629.16 = 5,174.48/x
  3. Step 3: Cross multiply
    11,762.06x = 17,629.16 × 5,174.48
  4. Step 4: Simplify right side
    11,762.06x = 91,221,735.84
  5. Step 5: Solve for x
    x = 91,221,735.84/11,762.06
  6. Step 6: Final answer
    x = 7,755.59

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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.