Home / 8,099.39-12,135.69-3,707.17

Finding the Fourth Proportional to 8,099.39, 12,135.69 and 3,707.17

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Solution

The fourth proportional to 8,099.39, 12,135.69 and 3,707.17 is: 5,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.39 : 12,135.69 = 3,707.17 : x
  2. Step 2: Convert to fraction form
    8,099.39/12,135.69 = 3,707.17/x
  3. Step 3: Cross multiply
    8,099.39x = 12,135.69 × 3,707.17
  4. Step 4: Simplify right side
    8,099.39x = 44,989,035.56
  5. Step 5: Solve for x
    x = 44,989,035.56/8,099.39
  6. Step 6: Final answer
    x = 5,554.62

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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.