Home / 11,717.11-16,169.61-6,411.92

Finding the Fourth Proportional to 11,717.11, 16,169.61 and 6,411.92

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Solution

The fourth proportional to 11,717.11, 16,169.61 and 6,411.92 is: 8,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.11 : 16,169.61 = 6,411.92 : x
  2. Step 2: Convert to fraction form
    11,717.11/16,169.61 = 6,411.92/x
  3. Step 3: Cross multiply
    11,717.11x = 16,169.61 × 6,411.92
  4. Step 4: Simplify right side
    11,717.11x = 103,678,213.69
  5. Step 5: Solve for x
    x = 103,678,213.69/11,717.11
  6. Step 6: Final answer
    x = 8,848.45

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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.