Home / 8,133.82-11,220.55-5,144.62

Finding the Fourth Proportional to 8,133.82, 11,220.55 and 5,144.62

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Solution

The fourth proportional to 8,133.82, 11,220.55 and 5,144.62 is: 7,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.82 : 11,220.55 = 5,144.62 : x
  2. Step 2: Convert to fraction form
    8,133.82/11,220.55 = 5,144.62/x
  3. Step 3: Cross multiply
    8,133.82x = 11,220.55 × 5,144.62
  4. Step 4: Simplify right side
    8,133.82x = 57,725,465.94
  5. Step 5: Solve for x
    x = 57,725,465.94/8,133.82
  6. Step 6: Final answer
    x = 7,096.97

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Half scale
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Double scale
Find fourth proportional to 8,134.82, 11,221.93 and 5,145.62
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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.