Home / 10,974.20-16,464.94-7,290.92

Finding the Fourth Proportional to 10,974.20, 16,464.94 and 7,290.92

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Solution

The fourth proportional to 10,974.20, 16,464.94 and 7,290.92 is: 10,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.20 : 16,464.94 = 7,290.92 : x
  2. Step 2: Convert to fraction form
    10,974.20/16,464.94 = 7,290.92/x
  3. Step 3: Cross multiply
    10,974.20x = 16,464.94 × 7,290.92
  4. Step 4: Simplify right side
    10,974.20x = 120,044,583.28
  5. Step 5: Solve for x
    x = 120,044,583.28/10,974.20
  6. Step 6: Final answer
    x = 10,938.81

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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.