Home / 8,936.17-13,402.62-3,387.67

Finding the Fourth Proportional to 8,936.17, 13,402.62 and 3,387.67

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Solution

The fourth proportional to 8,936.17, 13,402.62 and 3,387.67 is: 5,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.17 : 13,402.62 = 3,387.67 : x
  2. Step 2: Convert to fraction form
    8,936.17/13,402.62 = 3,387.67/x
  3. Step 3: Cross multiply
    8,936.17x = 13,402.62 × 3,387.67
  4. Step 4: Simplify right side
    8,936.17x = 45,403,620.19
  5. Step 5: Solve for x
    x = 45,403,620.19/8,936.17
  6. Step 6: Final answer
    x = 5,080.88

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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.