Home / 7,412.03-11,115.37-2,480.52

Finding the Fourth Proportional to 7,412.03, 11,115.37 and 2,480.52

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Solution

The fourth proportional to 7,412.03, 11,115.37 and 2,480.52 is: 3,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.03 : 11,115.37 = 2,480.52 : x
  2. Step 2: Convert to fraction form
    7,412.03/11,115.37 = 2,480.52/x
  3. Step 3: Cross multiply
    7,412.03x = 11,115.37 × 2,480.52
  4. Step 4: Simplify right side
    7,412.03x = 27,571,897.59
  5. Step 5: Solve for x
    x = 27,571,897.59/7,412.03
  6. Step 6: Final answer
    x = 3,719.88

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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.