Home / 12,560.94-17,331.66-8,083.62

Finding the Fourth Proportional to 12,560.94, 17,331.66 and 8,083.62

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Solution

The fourth proportional to 12,560.94, 17,331.66 and 8,083.62 is: 11,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.94 : 17,331.66 = 8,083.62 : x
  2. Step 2: Convert to fraction form
    12,560.94/17,331.66 = 8,083.62/x
  3. Step 3: Cross multiply
    12,560.94x = 17,331.66 × 8,083.62
  4. Step 4: Simplify right side
    12,560.94x = 140,102,553.41
  5. Step 5: Solve for x
    x = 140,102,553.41/12,560.94
  6. Step 6: Final answer
    x = 11,153.83

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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.