Home / 9,178.98-13,766.46-2,605.02

Finding the Fourth Proportional to 9,178.98, 13,766.46 and 2,605.02

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Solution

The fourth proportional to 9,178.98, 13,766.46 and 2,605.02 is: 3,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.98 : 13,766.46 = 2,605.02 : x
  2. Step 2: Convert to fraction form
    9,178.98/13,766.46 = 2,605.02/x
  3. Step 3: Cross multiply
    9,178.98x = 13,766.46 × 2,605.02
  4. Step 4: Simplify right side
    9,178.98x = 35,861,903.63
  5. Step 5: Solve for x
    x = 35,861,903.63/9,178.98
  6. Step 6: Final answer
    x = 3,906.96

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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.