Home / 8,936.27-12,331.05-4,956.38

Finding the Fourth Proportional to 8,936.27, 12,331.05 and 4,956.38

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Solution

The fourth proportional to 8,936.27, 12,331.05 and 4,956.38 is: 6,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.27 : 12,331.05 = 4,956.38 : x
  2. Step 2: Convert to fraction form
    8,936.27/12,331.05 = 4,956.38/x
  3. Step 3: Cross multiply
    8,936.27x = 12,331.05 × 4,956.38
  4. Step 4: Simplify right side
    8,936.27x = 61,117,344.82
  5. Step 5: Solve for x
    x = 61,117,344.82/8,936.27
  6. Step 6: Final answer
    x = 6,839.25

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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.