Home / 11,455.10-17,179.00-3,662.09

Finding the Fourth Proportional to 11,455.10, 17,179.00 and 3,662.09

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Solution

The fourth proportional to 11,455.10, 17,179.00 and 3,662.09 is: 5,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.10 : 17,179.00 = 3,662.09 : x
  2. Step 2: Convert to fraction form
    11,455.10/17,179.00 = 3,662.09/x
  3. Step 3: Cross multiply
    11,455.10x = 17,179.00 × 3,662.09
  4. Step 4: Simplify right side
    11,455.10x = 62,910,970.31
  5. Step 5: Solve for x
    x = 62,910,970.31/11,455.10
  6. Step 6: Final answer
    x = 5,491.96

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1.5x scale

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.