Home / 6,136.14-8,467.68-3,618.40

Finding the Fourth Proportional to 6,136.14, 8,467.68 and 3,618.40

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Solution

The fourth proportional to 6,136.14, 8,467.68 and 3,618.40 is: 4,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.14 : 8,467.68 = 3,618.40 : x
  2. Step 2: Convert to fraction form
    6,136.14/8,467.68 = 3,618.40/x
  3. Step 3: Cross multiply
    6,136.14x = 8,467.68 × 3,618.40
  4. Step 4: Simplify right side
    6,136.14x = 30,639,435.22
  5. Step 5: Solve for x
    x = 30,639,435.22/6,136.14
  6. Step 6: Final answer
    x = 4,993.28

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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.