Home / 11,872.90-17,804.48-5,294.59

Finding the Fourth Proportional to 11,872.90, 17,804.48 and 5,294.59

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Solution

The fourth proportional to 11,872.90, 17,804.48 and 5,294.59 is: 7,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.90 : 17,804.48 = 5,294.59 : x
  2. Step 2: Convert to fraction form
    11,872.90/17,804.48 = 5,294.59/x
  3. Step 3: Cross multiply
    11,872.90x = 17,804.48 × 5,294.59
  4. Step 4: Simplify right side
    11,872.90x = 94,267,306.27
  5. Step 5: Solve for x
    x = 94,267,306.27/11,872.90
  6. Step 6: Final answer
    x = 7,939.71

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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.