Home / 10,549.24-15,817.38-3,974.20

Finding the Fourth Proportional to 10,549.24, 15,817.38 and 3,974.20

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Solution

The fourth proportional to 10,549.24, 15,817.38 and 3,974.20 is: 5,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.24 : 15,817.38 = 3,974.20 : x
  2. Step 2: Convert to fraction form
    10,549.24/15,817.38 = 3,974.20/x
  3. Step 3: Cross multiply
    10,549.24x = 15,817.38 × 3,974.20
  4. Step 4: Simplify right side
    10,549.24x = 62,861,431.60
  5. Step 5: Solve for x
    x = 62,861,431.60/10,549.24
  6. Step 6: Final answer
    x = 5,958.86

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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.