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Finding the Fourth Proportional to 7,136.91, 9,850.41 and 4,482.54

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Solution

The fourth proportional to 7,136.91, 9,850.41 and 4,482.54 is: 6,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.91 : 9,850.41 = 4,482.54 : x
  2. Step 2: Convert to fraction form
    7,136.91/9,850.41 = 4,482.54/x
  3. Step 3: Cross multiply
    7,136.91x = 9,850.41 × 4,482.54
  4. Step 4: Simplify right side
    7,136.91x = 44,154,856.84
  5. Step 5: Solve for x
    x = 44,154,856.84/7,136.91
  6. Step 6: Final answer
    x = 6,186.83

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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.