Home / 9,794.10-14,685.69-3,219.78

Finding the Fourth Proportional to 9,794.10, 14,685.69 and 3,219.78

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Solution

The fourth proportional to 9,794.10, 14,685.69 and 3,219.78 is: 4,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,794.10 : 14,685.69 = 3,219.78 : x
  2. Step 2: Convert to fraction form
    9,794.10/14,685.69 = 3,219.78/x
  3. Step 3: Cross multiply
    9,794.10x = 14,685.69 × 3,219.78
  4. Step 4: Simplify right side
    9,794.10x = 47,284,690.95
  5. Step 5: Solve for x
    x = 47,284,690.95/9,794.10
  6. Step 6: Final answer
    x = 4,827.88

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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.