Home / 7,996.20-11,033.64-4,639.29

Finding the Fourth Proportional to 7,996.20, 11,033.64 and 4,639.29

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Solution

The fourth proportional to 7,996.20, 11,033.64 and 4,639.29 is: 6,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.20 : 11,033.64 = 4,639.29 : x
  2. Step 2: Convert to fraction form
    7,996.20/11,033.64 = 4,639.29/x
  3. Step 3: Cross multiply
    7,996.20x = 11,033.64 × 4,639.29
  4. Step 4: Simplify right side
    7,996.20x = 51,188,255.72
  5. Step 5: Solve for x
    x = 51,188,255.72/7,996.20
  6. Step 6: Final answer
    x = 6,401.57

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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.