Home / 11,950.18-16,490.57-6,644.88

Finding the Fourth Proportional to 11,950.18, 16,490.57 and 6,644.88

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Solution

The fourth proportional to 11,950.18, 16,490.57 and 6,644.88 is: 9,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.18 : 16,490.57 = 6,644.88 : x
  2. Step 2: Convert to fraction form
    11,950.18/16,490.57 = 6,644.88/x
  3. Step 3: Cross multiply
    11,950.18x = 16,490.57 × 6,644.88
  4. Step 4: Simplify right side
    11,950.18x = 109,577,825.56
  5. Step 5: Solve for x
    x = 109,577,825.56/11,950.18
  6. Step 6: Final answer
    x = 9,169.56

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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.