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Finding the Fourth Proportional to 6,136.56, 9,224.28 and 5,281.20

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Solution

The fourth proportional to 6,136.56, 9,224.28 and 5,281.20 is: 7,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.56 : 9,224.28 = 5,281.20 : x
  2. Step 2: Convert to fraction form
    6,136.56/9,224.28 = 5,281.20/x
  3. Step 3: Cross multiply
    6,136.56x = 9,224.28 × 5,281.20
  4. Step 4: Simplify right side
    6,136.56x = 48,715,267.54
  5. Step 5: Solve for x
    x = 48,715,267.54/6,136.56
  6. Step 6: Final answer
    x = 7,938.53

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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.