Home / 8,936.41-12,331.79-4,957.44

Finding the Fourth Proportional to 8,936.41, 12,331.79 and 4,957.44

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Solution

The fourth proportional to 8,936.41, 12,331.79 and 4,957.44 is: 6,841.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.41 : 12,331.79 = 4,957.44 : x
  2. Step 2: Convert to fraction form
    8,936.41/12,331.79 = 4,957.44/x
  3. Step 3: Cross multiply
    8,936.41x = 12,331.79 × 4,957.44
  4. Step 4: Simplify right side
    8,936.41x = 61,134,109.02
  5. Step 5: Solve for x
    x = 61,134,109.02/8,936.41
  6. Step 6: Final answer
    x = 6,841.01

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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.