Home / 11,825.46-16,318.39-6,520.32

Finding the Fourth Proportional to 11,825.46, 16,318.39 and 6,520.32

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Solution

The fourth proportional to 11,825.46, 16,318.39 and 6,520.32 is: 8,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.46 : 16,318.39 = 6,520.32 : x
  2. Step 2: Convert to fraction form
    11,825.46/16,318.39 = 6,520.32/x
  3. Step 3: Cross multiply
    11,825.46x = 16,318.39 × 6,520.32
  4. Step 4: Simplify right side
    11,825.46x = 106,401,034.96
  5. Step 5: Solve for x
    x = 106,401,034.96/11,825.46
  6. Step 6: Final answer
    x = 8,997.63

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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.