Home / 11,255.49-15,532.83-6,220.26

Finding the Fourth Proportional to 11,255.49, 15,532.83 and 6,220.26

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Solution

The fourth proportional to 11,255.49, 15,532.83 and 6,220.26 is: 8,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.49 : 15,532.83 = 6,220.26 : x
  2. Step 2: Convert to fraction form
    11,255.49/15,532.83 = 6,220.26/x
  3. Step 3: Cross multiply
    11,255.49x = 15,532.83 × 6,220.26
  4. Step 4: Simplify right side
    11,255.49x = 96,618,241.14
  5. Step 5: Solve for x
    x = 96,618,241.14/11,255.49
  6. Step 6: Final answer
    x = 8,584.10

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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.