Home / 10,136.57-15,183.67-8,151.46

Finding the Fourth Proportional to 10,136.57, 15,183.67 and 8,151.46

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Solution

The fourth proportional to 10,136.57, 15,183.67 and 8,151.46 is: 12,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.57 : 15,183.67 = 8,151.46 : x
  2. Step 2: Convert to fraction form
    10,136.57/15,183.67 = 8,151.46/x
  3. Step 3: Cross multiply
    10,136.57x = 15,183.67 × 8,151.46
  4. Step 4: Simplify right side
    10,136.57x = 123,769,078.66
  5. Step 5: Solve for x
    x = 123,769,078.66/10,136.57
  6. Step 6: Final answer
    x = 12,210.15

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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.