Home / 10,514.75-15,739.92-6,809.61

Finding the Fourth Proportional to 10,514.75, 15,739.92 and 6,809.61

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Solution

The fourth proportional to 10,514.75, 15,739.92 and 6,809.61 is: 10,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.75 : 15,739.92 = 6,809.61 : x
  2. Step 2: Convert to fraction form
    10,514.75/15,739.92 = 6,809.61/x
  3. Step 3: Cross multiply
    10,514.75x = 15,739.92 × 6,809.61
  4. Step 4: Simplify right side
    10,514.75x = 107,182,716.63
  5. Step 5: Solve for x
    x = 107,182,716.63/10,514.75
  6. Step 6: Final answer
    x = 10,193.56

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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.