Home / 12,176.73-18,265.80-3,412.33

Finding the Fourth Proportional to 12,176.73, 18,265.80 and 3,412.33

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Solution

The fourth proportional to 12,176.73, 18,265.80 and 3,412.33 is: 5,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.73 : 18,265.80 = 3,412.33 : x
  2. Step 2: Convert to fraction form
    12,176.73/18,265.80 = 3,412.33/x
  3. Step 3: Cross multiply
    12,176.73x = 18,265.80 × 3,412.33
  4. Step 4: Simplify right side
    12,176.73x = 62,328,904.45
  5. Step 5: Solve for x
    x = 62,328,904.45/12,176.73
  6. Step 6: Final answer
    x = 5,118.69

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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.