Home / 8,174.09-11,280.16-4,637.27

Finding the Fourth Proportional to 8,174.09, 11,280.16 and 4,637.27

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Solution

The fourth proportional to 8,174.09, 11,280.16 and 4,637.27 is: 6,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.09 : 11,280.16 = 4,637.27 : x
  2. Step 2: Convert to fraction form
    8,174.09/11,280.16 = 4,637.27/x
  3. Step 3: Cross multiply
    8,174.09x = 11,280.16 × 4,637.27
  4. Step 4: Simplify right side
    8,174.09x = 52,309,147.56
  5. Step 5: Solve for x
    x = 52,309,147.56/8,174.09
  6. Step 6: Final answer
    x = 6,399.38

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.