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Finding the Fourth Proportional to 11,949.43, 16,483.02 and 7,699.09

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Solution

The fourth proportional to 11,949.43, 16,483.02 and 7,699.09 is: 10,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.43 : 16,483.02 = 7,699.09 : x
  2. Step 2: Convert to fraction form
    11,949.43/16,483.02 = 7,699.09/x
  3. Step 3: Cross multiply
    11,949.43x = 16,483.02 × 7,699.09
  4. Step 4: Simplify right side
    11,949.43x = 126,904,254.45
  5. Step 5: Solve for x
    x = 126,904,254.45/11,949.43
  6. Step 6: Final answer
    x = 10,620.11

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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.