Home / 8,635.17-12,942.09-3,699.03

Finding the Fourth Proportional to 8,635.17, 12,942.09 and 3,699.03

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Solution

The fourth proportional to 8,635.17, 12,942.09 and 3,699.03 is: 5,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.17 : 12,942.09 = 3,699.03 : x
  2. Step 2: Convert to fraction form
    8,635.17/12,942.09 = 3,699.03/x
  3. Step 3: Cross multiply
    8,635.17x = 12,942.09 × 3,699.03
  4. Step 4: Simplify right side
    8,635.17x = 47,873,179.17
  5. Step 5: Solve for x
    x = 47,873,179.17/8,635.17
  6. Step 6: Final answer
    x = 5,543.98

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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.