Home / 9,107.73-13,664.85-3,185.49

Finding the Fourth Proportional to 9,107.73, 13,664.85 and 3,185.49

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Solution

The fourth proportional to 9,107.73, 13,664.85 and 3,185.49 is: 4,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.73 : 13,664.85 = 3,185.49 : x
  2. Step 2: Convert to fraction form
    9,107.73/13,664.85 = 3,185.49/x
  3. Step 3: Cross multiply
    9,107.73x = 13,664.85 × 3,185.49
  4. Step 4: Simplify right side
    9,107.73x = 43,529,243.03
  5. Step 5: Solve for x
    x = 43,529,243.03/9,107.73
  6. Step 6: Final answer
    x = 4,779.37

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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.