Home / 8,260.33-11,383.51-8,108.50

Finding the Fourth Proportional to 8,260.33, 11,383.51 and 8,108.50

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Solution

The fourth proportional to 8,260.33, 11,383.51 and 8,108.50 is: 11,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.33 : 11,383.51 = 8,108.50 : x
  2. Step 2: Convert to fraction form
    8,260.33/11,383.51 = 8,108.50/x
  3. Step 3: Cross multiply
    8,260.33x = 11,383.51 × 8,108.50
  4. Step 4: Simplify right side
    8,260.33x = 92,303,190.84
  5. Step 5: Solve for x
    x = 92,303,190.84/8,260.33
  6. Step 6: Final answer
    x = 11,174.27

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Double scale
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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.