Home / 8,936.72-12,333.42-4,958.66

Finding the Fourth Proportional to 8,936.72, 12,333.42 and 4,958.66

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Solution

The fourth proportional to 8,936.72, 12,333.42 and 4,958.66 is: 6,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.72 : 12,333.42 = 4,958.66 : x
  2. Step 2: Convert to fraction form
    8,936.72/12,333.42 = 4,958.66/x
  3. Step 3: Cross multiply
    8,936.72x = 12,333.42 × 4,958.66
  4. Step 4: Simplify right side
    8,936.72x = 61,157,236.42
  5. Step 5: Solve for x
    x = 61,157,236.42/8,936.72
  6. Step 6: Final answer
    x = 6,843.36

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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.