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Finding the Fourth Proportional to 9,996.30, 13,800.39 and 6,018.39

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Solution

The fourth proportional to 9,996.30, 13,800.39 and 6,018.39 is: 8,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.30 : 13,800.39 = 6,018.39 : x
  2. Step 2: Convert to fraction form
    9,996.30/13,800.39 = 6,018.39/x
  3. Step 3: Cross multiply
    9,996.30x = 13,800.39 × 6,018.39
  4. Step 4: Simplify right side
    9,996.30x = 83,056,129.17
  5. Step 5: Solve for x
    x = 83,056,129.17/9,996.30
  6. Step 6: Final answer
    x = 8,308.69

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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.