Home / 8,031.68-12,048.24-2,485.04

Finding the Fourth Proportional to 8,031.68, 12,048.24 and 2,485.04

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Solution

The fourth proportional to 8,031.68, 12,048.24 and 2,485.04 is: 3,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.68 : 12,048.24 = 2,485.04 : x
  2. Step 2: Convert to fraction form
    8,031.68/12,048.24 = 2,485.04/x
  3. Step 3: Cross multiply
    8,031.68x = 12,048.24 × 2,485.04
  4. Step 4: Simplify right side
    8,031.68x = 29,940,358.33
  5. Step 5: Solve for x
    x = 29,940,358.33/8,031.68
  6. Step 6: Final answer
    x = 3,727.78

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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.