Home / 10,974.80-16,433.40-8,037.20

Finding the Fourth Proportional to 10,974.80, 16,433.40 and 8,037.20

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Solution

The fourth proportional to 10,974.80, 16,433.40 and 8,037.20 is: 12,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.80 : 16,433.40 = 8,037.20 : x
  2. Step 2: Convert to fraction form
    10,974.80/16,433.40 = 8,037.20/x
  3. Step 3: Cross multiply
    10,974.80x = 16,433.40 × 8,037.20
  4. Step 4: Simplify right side
    10,974.80x = 132,078,522.48
  5. Step 5: Solve for x
    x = 132,078,522.48/10,974.80
  6. Step 6: Final answer
    x = 12,034.71

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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.