Home / 12,074.38-18,110.03-4,673.78

Finding the Fourth Proportional to 12,074.38, 18,110.03 and 4,673.78

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Solution

The fourth proportional to 12,074.38, 18,110.03 and 4,673.78 is: 7,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.38 : 18,110.03 = 4,673.78 : x
  2. Step 2: Convert to fraction form
    12,074.38/18,110.03 = 4,673.78/x
  3. Step 3: Cross multiply
    12,074.38x = 18,110.03 × 4,673.78
  4. Step 4: Simplify right side
    12,074.38x = 84,642,182.09
  5. Step 5: Solve for x
    x = 84,642,182.09/12,074.38
  6. Step 6: Final answer
    x = 7,010.07

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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.