Home / 12,503.15-18,755.73-3,737.94

Finding the Fourth Proportional to 12,503.15, 18,755.73 and 3,737.94

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Solution

The fourth proportional to 12,503.15, 18,755.73 and 3,737.94 is: 5,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.15 : 18,755.73 = 3,737.94 : x
  2. Step 2: Convert to fraction form
    12,503.15/18,755.73 = 3,737.94/x
  3. Step 3: Cross multiply
    12,503.15x = 18,755.73 × 3,737.94
  4. Step 4: Simplify right side
    12,503.15x = 70,107,793.40
  5. Step 5: Solve for x
    x = 70,107,793.40/12,503.15
  6. Step 6: Final answer
    x = 5,607.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.