Home / 11,664.78-17,502.33-6,116.79

Finding the Fourth Proportional to 11,664.78, 17,502.33 and 6,116.79

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Solution

The fourth proportional to 11,664.78, 17,502.33 and 6,116.79 is: 9,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.78 : 17,502.33 = 6,116.79 : x
  2. Step 2: Convert to fraction form
    11,664.78/17,502.33 = 6,116.79/x
  3. Step 3: Cross multiply
    11,664.78x = 17,502.33 × 6,116.79
  4. Step 4: Simplify right side
    11,664.78x = 107,058,077.12
  5. Step 5: Solve for x
    x = 107,058,077.12/11,664.78
  6. Step 6: Final answer
    x = 9,177.89

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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.