Home / 11,107.10-16,656.60-3,313.28

Finding the Fourth Proportional to 11,107.10, 16,656.60 and 3,313.28

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Solution

The fourth proportional to 11,107.10, 16,656.60 and 3,313.28 is: 4,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.10 : 16,656.60 = 3,313.28 : x
  2. Step 2: Convert to fraction form
    11,107.10/16,656.60 = 3,313.28/x
  3. Step 3: Cross multiply
    11,107.10x = 16,656.60 × 3,313.28
  4. Step 4: Simplify right side
    11,107.10x = 55,187,979.65
  5. Step 5: Solve for x
    x = 55,187,979.65/11,107.10
  6. Step 6: Final answer
    x = 4,968.71

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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.