Home / 10,671.12-15,993.72-5,467.68

Finding the Fourth Proportional to 10,671.12, 15,993.72 and 5,467.68

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Solution

The fourth proportional to 10,671.12, 15,993.72 and 5,467.68 is: 8,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.12 : 15,993.72 = 5,467.68 : x
  2. Step 2: Convert to fraction form
    10,671.12/15,993.72 = 5,467.68/x
  3. Step 3: Cross multiply
    10,671.12x = 15,993.72 × 5,467.68
  4. Step 4: Simplify right side
    10,671.12x = 87,448,542.97
  5. Step 5: Solve for x
    x = 87,448,542.97/10,671.12
  6. Step 6: Final answer
    x = 8,194.88

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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.