Home / 11,950.12-16,490.94-6,644.89

Finding the Fourth Proportional to 11,950.12, 16,490.94 and 6,644.89

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Solution

The fourth proportional to 11,950.12, 16,490.94 and 6,644.89 is: 9,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.12 : 16,490.94 = 6,644.89 : x
  2. Step 2: Convert to fraction form
    11,950.12/16,490.94 = 6,644.89/x
  3. Step 3: Cross multiply
    11,950.12x = 16,490.94 × 6,644.89
  4. Step 4: Simplify right side
    11,950.12x = 109,580,399.84
  5. Step 5: Solve for x
    x = 109,580,399.84/11,950.12
  6. Step 6: Final answer
    x = 9,169.82

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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.