Home / 11,137.48-16,717.46-9,879.26

Finding the Fourth Proportional to 11,137.48, 16,717.46 and 9,879.26

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Solution

The fourth proportional to 11,137.48, 16,717.46 and 9,879.26 is: 14,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.48 : 16,717.46 = 9,879.26 : x
  2. Step 2: Convert to fraction form
    11,137.48/16,717.46 = 9,879.26/x
  3. Step 3: Cross multiply
    11,137.48x = 16,717.46 × 9,879.26
  4. Step 4: Simplify right side
    11,137.48x = 165,156,133.88
  5. Step 5: Solve for x
    x = 165,156,133.88/11,137.48
  6. Step 6: Final answer
    x = 14,828.86

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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.