Home / 11,551.98-17,313.61-5,305.37

Finding the Fourth Proportional to 11,551.98, 17,313.61 and 5,305.37

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Solution

The fourth proportional to 11,551.98, 17,313.61 and 5,305.37 is: 7,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.98 : 17,313.61 = 5,305.37 : x
  2. Step 2: Convert to fraction form
    11,551.98/17,313.61 = 5,305.37/x
  3. Step 3: Cross multiply
    11,551.98x = 17,313.61 × 5,305.37
  4. Step 4: Simplify right side
    11,551.98x = 91,855,107.09
  5. Step 5: Solve for x
    x = 91,855,107.09/11,551.98
  6. Step 6: Final answer
    x = 7,951.46

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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.