Home / 9,974.70-14,961.78-3,049.20

Finding the Fourth Proportional to 9,974.70, 14,961.78 and 3,049.20

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Solution

The fourth proportional to 9,974.70, 14,961.78 and 3,049.20 is: 4,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.70 : 14,961.78 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    9,974.70/14,961.78 = 3,049.20/x
  3. Step 3: Cross multiply
    9,974.70x = 14,961.78 × 3,049.20
  4. Step 4: Simplify right side
    9,974.70x = 45,621,459.58
  5. Step 5: Solve for x
    x = 45,621,459.58/9,974.70
  6. Step 6: Final answer
    x = 4,573.72

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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.