Home / 9,309.72-13,962.54-2,736.36

Finding the Fourth Proportional to 9,309.72, 13,962.54 and 2,736.36

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Solution

The fourth proportional to 9,309.72, 13,962.54 and 2,736.36 is: 4,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.72 : 13,962.54 = 2,736.36 : x
  2. Step 2: Convert to fraction form
    9,309.72/13,962.54 = 2,736.36/x
  3. Step 3: Cross multiply
    9,309.72x = 13,962.54 × 2,736.36
  4. Step 4: Simplify right side
    9,309.72x = 38,206,535.95
  5. Step 5: Solve for x
    x = 38,206,535.95/9,309.72
  6. Step 6: Final answer
    x = 4,103.94

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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.