Home / 11,867.29-17,801.94-3,102.19

Finding the Fourth Proportional to 11,867.29, 17,801.94 and 3,102.19

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Solution

The fourth proportional to 11,867.29, 17,801.94 and 3,102.19 is: 4,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.29 : 17,801.94 = 3,102.19 : x
  2. Step 2: Convert to fraction form
    11,867.29/17,801.94 = 3,102.19/x
  3. Step 3: Cross multiply
    11,867.29x = 17,801.94 × 3,102.19
  4. Step 4: Simplify right side
    11,867.29x = 55,224,967.38
  5. Step 5: Solve for x
    x = 55,224,967.38/11,867.29
  6. Step 6: Final answer
    x = 4,653.55

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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.