Home / 8,604.24-12,900.98-3,605.26

Finding the Fourth Proportional to 8,604.24, 12,900.98 and 3,605.26

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Solution

The fourth proportional to 8,604.24, 12,900.98 and 3,605.26 is: 5,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.24 : 12,900.98 = 3,605.26 : x
  2. Step 2: Convert to fraction form
    8,604.24/12,900.98 = 3,605.26/x
  3. Step 3: Cross multiply
    8,604.24x = 12,900.98 × 3,605.26
  4. Step 4: Simplify right side
    8,604.24x = 46,511,387.15
  5. Step 5: Solve for x
    x = 46,511,387.15/8,604.24
  6. Step 6: Final answer
    x = 5,405.64

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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.