Home / 11,107.92-16,664.67-3,316.71

Finding the Fourth Proportional to 11,107.92, 16,664.67 and 3,316.71

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Solution

The fourth proportional to 11,107.92, 16,664.67 and 3,316.71 is: 4,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.92 : 16,664.67 = 3,316.71 : x
  2. Step 2: Convert to fraction form
    11,107.92/16,664.67 = 3,316.71/x
  3. Step 3: Cross multiply
    11,107.92x = 16,664.67 × 3,316.71
  4. Step 4: Simplify right side
    11,107.92x = 55,271,877.64
  5. Step 5: Solve for x
    x = 55,271,877.64/11,107.92
  6. Step 6: Final answer
    x = 4,975.90

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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.