Home / 8,563.26-12,844.85-2,720.32

Finding the Fourth Proportional to 8,563.26, 12,844.85 and 2,720.32

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Solution

The fourth proportional to 8,563.26, 12,844.85 and 2,720.32 is: 4,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.26 : 12,844.85 = 2,720.32 : x
  2. Step 2: Convert to fraction form
    8,563.26/12,844.85 = 2,720.32/x
  3. Step 3: Cross multiply
    8,563.26x = 12,844.85 × 2,720.32
  4. Step 4: Simplify right side
    8,563.26x = 34,942,102.35
  5. Step 5: Solve for x
    x = 34,942,102.35/8,563.26
  6. Step 6: Final answer
    x = 4,080.47

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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.