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Finding the Fourth Proportional to 8,843.22, 12,203.19 and 4,864.23

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Solution

The fourth proportional to 8,843.22, 12,203.19 and 4,864.23 is: 6,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.22 : 12,203.19 = 4,864.23 : x
  2. Step 2: Convert to fraction form
    8,843.22/12,203.19 = 4,864.23/x
  3. Step 3: Cross multiply
    8,843.22x = 12,203.19 × 4,864.23
  4. Step 4: Simplify right side
    8,843.22x = 59,359,122.89
  5. Step 5: Solve for x
    x = 59,359,122.89/8,843.22
  6. Step 6: Final answer
    x = 6,712.39

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Half scale
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Double scale
Find fourth proportional to 8,844.22, 12,204.57 and 4,865.23
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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.