Home / 8,080.22-12,120.32-2,533.98

Finding the Fourth Proportional to 8,080.22, 12,120.32 and 2,533.98

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Solution

The fourth proportional to 8,080.22, 12,120.32 and 2,533.98 is: 3,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.22 : 12,120.32 = 2,533.98 : x
  2. Step 2: Convert to fraction form
    8,080.22/12,120.32 = 2,533.98/x
  3. Step 3: Cross multiply
    8,080.22x = 12,120.32 × 2,533.98
  4. Step 4: Simplify right side
    8,080.22x = 30,712,635.80
  5. Step 5: Solve for x
    x = 30,712,635.80/8,080.22
  6. Step 6: Final answer
    x = 3,800.97

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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.