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Finding the Fourth Proportional to 8,940.04, 12,336.25 and 4,961.32

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Solution

The fourth proportional to 8,940.04, 12,336.25 and 4,961.32 is: 6,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.04 : 12,336.25 = 4,961.32 : x
  2. Step 2: Convert to fraction form
    8,940.04/12,336.25 = 4,961.32/x
  3. Step 3: Cross multiply
    8,940.04x = 12,336.25 × 4,961.32
  4. Step 4: Simplify right side
    8,940.04x = 61,203,997.36
  5. Step 5: Solve for x
    x = 61,203,997.36/8,940.04
  6. Step 6: Final answer
    x = 6,846.06

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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.