Home / 9,974.92-14,930.79-5,579.05

Finding the Fourth Proportional to 9,974.92, 14,930.79 and 5,579.05

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Solution

The fourth proportional to 9,974.92, 14,930.79 and 5,579.05 is: 8,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.92 : 14,930.79 = 5,579.05 : x
  2. Step 2: Convert to fraction form
    9,974.92/14,930.79 = 5,579.05/x
  3. Step 3: Cross multiply
    9,974.92x = 14,930.79 × 5,579.05
  4. Step 4: Simplify right side
    9,974.92x = 83,299,623.95
  5. Step 5: Solve for x
    x = 83,299,623.95/9,974.92
  6. Step 6: Final answer
    x = 8,350.91

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1.5x scale

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.