Home / 10,339.17-15,514.82-3,765.75

Finding the Fourth Proportional to 10,339.17, 15,514.82 and 3,765.75

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Solution

The fourth proportional to 10,339.17, 15,514.82 and 3,765.75 is: 5,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.17 : 15,514.82 = 3,765.75 : x
  2. Step 2: Convert to fraction form
    10,339.17/15,514.82 = 3,765.75/x
  3. Step 3: Cross multiply
    10,339.17x = 15,514.82 × 3,765.75
  4. Step 4: Simplify right side
    10,339.17x = 58,424,933.42
  5. Step 5: Solve for x
    x = 58,424,933.42/10,339.17
  6. Step 6: Final answer
    x = 5,650.83

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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.