Home / 8,031.14-12,039.78-3,104.24

Finding the Fourth Proportional to 8,031.14, 12,039.78 and 3,104.24

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Solution

The fourth proportional to 8,031.14, 12,039.78 and 3,104.24 is: 4,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.14 : 12,039.78 = 3,104.24 : x
  2. Step 2: Convert to fraction form
    8,031.14/12,039.78 = 3,104.24/x
  3. Step 3: Cross multiply
    8,031.14x = 12,039.78 × 3,104.24
  4. Step 4: Simplify right side
    8,031.14x = 37,374,306.47
  5. Step 5: Solve for x
    x = 37,374,306.47/8,031.14
  6. Step 6: Final answer
    x = 4,653.68

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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.