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Finding the Fourth Proportional to 8,650.92, 13,022.88 and 7,846.32

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Solution

The fourth proportional to 8,650.92, 13,022.88 and 7,846.32 is: 11,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.92 : 13,022.88 = 7,846.32 : x
  2. Step 2: Convert to fraction form
    8,650.92/13,022.88 = 7,846.32/x
  3. Step 3: Cross multiply
    8,650.92x = 13,022.88 × 7,846.32
  4. Step 4: Simplify right side
    8,650.92x = 102,181,683.80
  5. Step 5: Solve for x
    x = 102,181,683.80/8,650.92
  6. Step 6: Final answer
    x = 11,811.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.