Home / 6,221.49-8,584.16-3,532.11

Finding the Fourth Proportional to 6,221.49, 8,584.16 and 3,532.11

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Solution

The fourth proportional to 6,221.49, 8,584.16 and 3,532.11 is: 4,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.49 : 8,584.16 = 3,532.11 : x
  2. Step 2: Convert to fraction form
    6,221.49/8,584.16 = 3,532.11/x
  3. Step 3: Cross multiply
    6,221.49x = 8,584.16 × 3,532.11
  4. Step 4: Simplify right side
    6,221.49x = 30,320,136.80
  5. Step 5: Solve for x
    x = 30,320,136.80/6,221.49
  6. Step 6: Final answer
    x = 4,873.46

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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.