Home / 8,619.50-11,896.35-5,083.58

Finding the Fourth Proportional to 8,619.50, 11,896.35 and 5,083.58

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Solution

The fourth proportional to 8,619.50, 11,896.35 and 5,083.58 is: 7,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.50 : 11,896.35 = 5,083.58 : x
  2. Step 2: Convert to fraction form
    8,619.50/11,896.35 = 5,083.58/x
  3. Step 3: Cross multiply
    8,619.50x = 11,896.35 × 5,083.58
  4. Step 4: Simplify right side
    8,619.50x = 60,476,046.93
  5. Step 5: Solve for x
    x = 60,476,046.93/8,619.50
  6. Step 6: Final answer
    x = 7,016.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.