Home / 7,459.88-11,189.84-2,265.80

Finding the Fourth Proportional to 7,459.88, 11,189.84 and 2,265.80

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Solution

The fourth proportional to 7,459.88, 11,189.84 and 2,265.80 is: 3,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.88 : 11,189.84 = 2,265.80 : x
  2. Step 2: Convert to fraction form
    7,459.88/11,189.84 = 2,265.80/x
  3. Step 3: Cross multiply
    7,459.88x = 11,189.84 × 2,265.80
  4. Step 4: Simplify right side
    7,459.88x = 25,353,939.47
  5. Step 5: Solve for x
    x = 25,353,939.47/7,459.88
  6. Step 6: Final answer
    x = 3,398.71

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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.