Home / 9,778.20-14,666.23-2,758.02

Finding the Fourth Proportional to 9,778.20, 14,666.23 and 2,758.02

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Solution

The fourth proportional to 9,778.20, 14,666.23 and 2,758.02 is: 4,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.20 : 14,666.23 = 2,758.02 : x
  2. Step 2: Convert to fraction form
    9,778.20/14,666.23 = 2,758.02/x
  3. Step 3: Cross multiply
    9,778.20x = 14,666.23 × 2,758.02
  4. Step 4: Simplify right side
    9,778.20x = 40,449,755.66
  5. Step 5: Solve for x
    x = 40,449,755.66/9,778.20
  6. Step 6: Final answer
    x = 4,136.73

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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.