Home / 8,936.11-12,331.20-4,957.05

Finding the Fourth Proportional to 8,936.11, 12,331.20 and 4,957.05

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Solution

The fourth proportional to 8,936.11, 12,331.20 and 4,957.05 is: 6,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.11 : 12,331.20 = 4,957.05 : x
  2. Step 2: Convert to fraction form
    8,936.11/12,331.20 = 4,957.05/x
  3. Step 3: Cross multiply
    8,936.11x = 12,331.20 × 4,957.05
  4. Step 4: Simplify right side
    8,936.11x = 61,126,374.96
  5. Step 5: Solve for x
    x = 61,126,374.96/8,936.11
  6. Step 6: Final answer
    x = 6,840.38

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Half scale
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Double scale
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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.