Home / 9,801.20-14,696.76-2,874.80

Finding the Fourth Proportional to 9,801.20, 14,696.76 and 2,874.80

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Solution

The fourth proportional to 9,801.20, 14,696.76 and 2,874.80 is: 4,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.20 : 14,696.76 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    9,801.20/14,696.76 = 2,874.80/x
  3. Step 3: Cross multiply
    9,801.20x = 14,696.76 × 2,874.80
  4. Step 4: Simplify right side
    9,801.20x = 42,250,245.65
  5. Step 5: Solve for x
    x = 42,250,245.65/9,801.20
  6. Step 6: Final answer
    x = 4,310.72

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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.