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Finding the Fourth Proportional to 8,383.95, 11,553.17 and 5,987.16

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Solution

The fourth proportional to 8,383.95, 11,553.17 and 5,987.16 is: 8,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.95 : 11,553.17 = 5,987.16 : x
  2. Step 2: Convert to fraction form
    8,383.95/11,553.17 = 5,987.16/x
  3. Step 3: Cross multiply
    8,383.95x = 11,553.17 × 5,987.16
  4. Step 4: Simplify right side
    8,383.95x = 69,170,647.36
  5. Step 5: Solve for x
    x = 69,170,647.36/8,383.95
  6. Step 6: Final answer
    x = 8,250.36

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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.