Home / 8,080.60-12,113.12-2,530.05

Finding the Fourth Proportional to 8,080.60, 12,113.12 and 2,530.05

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Solution

The fourth proportional to 8,080.60, 12,113.12 and 2,530.05 is: 3,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.60 : 12,113.12 = 2,530.05 : x
  2. Step 2: Convert to fraction form
    8,080.60/12,113.12 = 2,530.05/x
  3. Step 3: Cross multiply
    8,080.60x = 12,113.12 × 2,530.05
  4. Step 4: Simplify right side
    8,080.60x = 30,646,837.94
  5. Step 5: Solve for x
    x = 30,646,837.94/8,080.60
  6. Step 6: Final answer
    x = 3,792.64

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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.