Home / 9,961.70-14,942.55-6,851.30

Finding the Fourth Proportional to 9,961.70, 14,942.55 and 6,851.30

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Solution

The fourth proportional to 9,961.70, 14,942.55 and 6,851.30 is: 10,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.70 : 14,942.55 = 6,851.30 : x
  2. Step 2: Convert to fraction form
    9,961.70/14,942.55 = 6,851.30/x
  3. Step 3: Cross multiply
    9,961.70x = 14,942.55 × 6,851.30
  4. Step 4: Simplify right side
    9,961.70x = 102,375,892.82
  5. Step 5: Solve for x
    x = 102,375,892.82/9,961.70
  6. Step 6: Final answer
    x = 10,276.95

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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.