Home / 7,514.21-11,273.90-3,353.78

Finding the Fourth Proportional to 7,514.21, 11,273.90 and 3,353.78

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Solution

The fourth proportional to 7,514.21, 11,273.90 and 3,353.78 is: 5,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.21 : 11,273.90 = 3,353.78 : x
  2. Step 2: Convert to fraction form
    7,514.21/11,273.90 = 3,353.78/x
  3. Step 3: Cross multiply
    7,514.21x = 11,273.90 × 3,353.78
  4. Step 4: Simplify right side
    7,514.21x = 37,810,107.20
  5. Step 5: Solve for x
    x = 37,810,107.20/7,514.21
  6. Step 6: Final answer
    x = 5,031.82

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1.5x scale

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.