Home / 11,825.15-16,318.30-6,519.93

Finding the Fourth Proportional to 11,825.15, 16,318.30 and 6,519.93

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Solution

The fourth proportional to 11,825.15, 16,318.30 and 6,519.93 is: 8,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.15 : 16,318.30 = 6,519.93 : x
  2. Step 2: Convert to fraction form
    11,825.15/16,318.30 = 6,519.93/x
  3. Step 3: Cross multiply
    11,825.15x = 16,318.30 × 6,519.93
  4. Step 4: Simplify right side
    11,825.15x = 106,394,173.72
  5. Step 5: Solve for x
    x = 106,394,173.72/11,825.15
  6. Step 6: Final answer
    x = 8,997.28

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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.