Home / 11,990.12-16,546.39-6,684.82

Finding the Fourth Proportional to 11,990.12, 16,546.39 and 6,684.82

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Solution

The fourth proportional to 11,990.12, 16,546.39 and 6,684.82 is: 9,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.12 : 16,546.39 = 6,684.82 : x
  2. Step 2: Convert to fraction form
    11,990.12/16,546.39 = 6,684.82/x
  3. Step 3: Cross multiply
    11,990.12x = 16,546.39 × 6,684.82
  4. Step 4: Simplify right side
    11,990.12x = 110,609,580.72
  5. Step 5: Solve for x
    x = 110,609,580.72/11,990.12
  6. Step 6: Final answer
    x = 9,225.06

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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.