Home / 11,950.06-16,490.96-6,644.82

Finding the Fourth Proportional to 11,950.06, 16,490.96 and 6,644.82

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Solution

The fourth proportional to 11,950.06, 16,490.96 and 6,644.82 is: 9,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.06 : 16,490.96 = 6,644.82 : x
  2. Step 2: Convert to fraction form
    11,950.06/16,490.96 = 6,644.82/x
  3. Step 3: Cross multiply
    11,950.06x = 16,490.96 × 6,644.82
  4. Step 4: Simplify right side
    11,950.06x = 109,579,460.83
  5. Step 5: Solve for x
    x = 109,579,460.83/11,950.06
  6. Step 6: Final answer
    x = 9,169.78

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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.