Home / 10,090.91-15,136.19-4,540.33

Finding the Fourth Proportional to 10,090.91, 15,136.19 and 4,540.33

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Solution

The fourth proportional to 10,090.91, 15,136.19 and 4,540.33 is: 6,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.91 : 15,136.19 = 4,540.33 : x
  2. Step 2: Convert to fraction form
    10,090.91/15,136.19 = 4,540.33/x
  3. Step 3: Cross multiply
    10,090.91x = 15,136.19 × 4,540.33
  4. Step 4: Simplify right side
    10,090.91x = 68,723,297.54
  5. Step 5: Solve for x
    x = 68,723,297.54/10,090.91
  6. Step 6: Final answer
    x = 6,810.42

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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.