Home / 12,619.26-18,918.09-4,833.54

Finding the Fourth Proportional to 12,619.26, 18,918.09 and 4,833.54

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Solution

The fourth proportional to 12,619.26, 18,918.09 and 4,833.54 is: 7,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.26 : 18,918.09 = 4,833.54 : x
  2. Step 2: Convert to fraction form
    12,619.26/18,918.09 = 4,833.54/x
  3. Step 3: Cross multiply
    12,619.26x = 18,918.09 × 4,833.54
  4. Step 4: Simplify right side
    12,619.26x = 91,441,344.74
  5. Step 5: Solve for x
    x = 91,441,344.74/12,619.26
  6. Step 6: Final answer
    x = 7,246.17

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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.