Home / 8,267.03-12,402.36-2,720.15

Finding the Fourth Proportional to 8,267.03, 12,402.36 and 2,720.15

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Solution

The fourth proportional to 8,267.03, 12,402.36 and 2,720.15 is: 4,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.03 : 12,402.36 = 2,720.15 : x
  2. Step 2: Convert to fraction form
    8,267.03/12,402.36 = 2,720.15/x
  3. Step 3: Cross multiply
    8,267.03x = 12,402.36 × 2,720.15
  4. Step 4: Simplify right side
    8,267.03x = 33,736,279.55
  5. Step 5: Solve for x
    x = 33,736,279.55/8,267.03
  6. Step 6: Final answer
    x = 4,080.82

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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.