Home / 6,216.62-8,578.68-3,562.18

Finding the Fourth Proportional to 6,216.62, 8,578.68 and 3,562.18

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Solution

The fourth proportional to 6,216.62, 8,578.68 and 3,562.18 is: 4,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.62 : 8,578.68 = 3,562.18 : x
  2. Step 2: Convert to fraction form
    6,216.62/8,578.68 = 3,562.18/x
  3. Step 3: Cross multiply
    6,216.62x = 8,578.68 × 3,562.18
  4. Step 4: Simplify right side
    6,216.62x = 30,558,767.52
  5. Step 5: Solve for x
    x = 30,558,767.52/6,216.62
  6. Step 6: Final answer
    x = 4,915.66

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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.