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Finding the Fourth Proportional to 8,671.82, 11,965.90 and 4,843.50

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Solution

The fourth proportional to 8,671.82, 11,965.90 and 4,843.50 is: 6,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.82 : 11,965.90 = 4,843.50 : x
  2. Step 2: Convert to fraction form
    8,671.82/11,965.90 = 4,843.50/x
  3. Step 3: Cross multiply
    8,671.82x = 11,965.90 × 4,843.50
  4. Step 4: Simplify right side
    8,671.82x = 57,956,856.06
  5. Step 5: Solve for x
    x = 57,956,856.06/8,671.82
  6. Step 6: Final answer
    x = 6,683.36

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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.