Home / 12,506.05-18,753.54-3,739.33

Finding the Fourth Proportional to 12,506.05, 18,753.54 and 3,739.33

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Solution

The fourth proportional to 12,506.05, 18,753.54 and 3,739.33 is: 5,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.05 : 18,753.54 = 3,739.33 : x
  2. Step 2: Convert to fraction form
    12,506.05/18,753.54 = 3,739.33/x
  3. Step 3: Cross multiply
    12,506.05x = 18,753.54 × 3,739.33
  4. Step 4: Simplify right side
    12,506.05x = 70,125,674.73
  5. Step 5: Solve for x
    x = 70,125,674.73/12,506.05
  6. Step 6: Final answer
    x = 5,607.34

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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.