Home / 9,149.54-13,724.78-2,910.06

Finding the Fourth Proportional to 9,149.54, 13,724.78 and 2,910.06

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Solution

The fourth proportional to 9,149.54, 13,724.78 and 2,910.06 is: 4,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.54 : 13,724.78 = 2,910.06 : x
  2. Step 2: Convert to fraction form
    9,149.54/13,724.78 = 2,910.06/x
  3. Step 3: Cross multiply
    9,149.54x = 13,724.78 × 2,910.06
  4. Step 4: Simplify right side
    9,149.54x = 39,939,918.74
  5. Step 5: Solve for x
    x = 39,939,918.74/9,149.54
  6. Step 6: Final answer
    x = 4,365.24

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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.