Home / 11,717.11-16,169.52-6,411.88

Finding the Fourth Proportional to 11,717.11, 16,169.52 and 6,411.88

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Solution

The fourth proportional to 11,717.11, 16,169.52 and 6,411.88 is: 8,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.11 : 16,169.52 = 6,411.88 : x
  2. Step 2: Convert to fraction form
    11,717.11/16,169.52 = 6,411.88/x
  3. Step 3: Cross multiply
    11,717.11x = 16,169.52 × 6,411.88
  4. Step 4: Simplify right side
    11,717.11x = 103,677,021.90
  5. Step 5: Solve for x
    x = 103,677,021.90/11,717.11
  6. Step 6: Final answer
    x = 8,848.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.