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Finding the Fourth Proportional to 11,944.56, 16,483.56 and 6,639.46

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Solution

The fourth proportional to 11,944.56, 16,483.56 and 6,639.46 is: 9,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.56 : 16,483.56 = 6,639.46 : x
  2. Step 2: Convert to fraction form
    11,944.56/16,483.56 = 6,639.46/x
  3. Step 3: Cross multiply
    11,944.56x = 16,483.56 × 6,639.46
  4. Step 4: Simplify right side
    11,944.56x = 109,441,937.28
  5. Step 5: Solve for x
    x = 109,441,937.28/11,944.56
  6. Step 6: Final answer
    x = 9,162.49

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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.