Home / 11,080.75-16,621.26-2,872.75

Finding the Fourth Proportional to 11,080.75, 16,621.26 and 2,872.75

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Solution

The fourth proportional to 11,080.75, 16,621.26 and 2,872.75 is: 4,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.75 : 16,621.26 = 2,872.75 : x
  2. Step 2: Convert to fraction form
    11,080.75/16,621.26 = 2,872.75/x
  3. Step 3: Cross multiply
    11,080.75x = 16,621.26 × 2,872.75
  4. Step 4: Simplify right side
    11,080.75x = 47,748,724.67
  5. Step 5: Solve for x
    x = 47,748,724.67/11,080.75
  6. Step 6: Final answer
    x = 4,309.16

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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.