Home / 11,472.18-17,183.70-5,616.60

Finding the Fourth Proportional to 11,472.18, 17,183.70 and 5,616.60

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Solution

The fourth proportional to 11,472.18, 17,183.70 and 5,616.60 is: 8,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.18 : 17,183.70 = 5,616.60 : x
  2. Step 2: Convert to fraction form
    11,472.18/17,183.70 = 5,616.60/x
  3. Step 3: Cross multiply
    11,472.18x = 17,183.70 × 5,616.60
  4. Step 4: Simplify right side
    11,472.18x = 96,513,969.42
  5. Step 5: Solve for x
    x = 96,513,969.42/11,472.18
  6. Step 6: Final answer
    x = 8,412.87

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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.