Home / 11,990.06-16,546.10-6,684.74

Finding the Fourth Proportional to 11,990.06, 16,546.10 and 6,684.74

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Solution

The fourth proportional to 11,990.06, 16,546.10 and 6,684.74 is: 9,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.06 : 16,546.10 = 6,684.74 : x
  2. Step 2: Convert to fraction form
    11,990.06/16,546.10 = 6,684.74/x
  3. Step 3: Cross multiply
    11,990.06x = 16,546.10 × 6,684.74
  4. Step 4: Simplify right side
    11,990.06x = 110,606,260.36
  5. Step 5: Solve for x
    x = 110,606,260.36/11,990.06
  6. Step 6: Final answer
    x = 9,224.83

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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.