Home / 11,990.57-16,546.37-6,684.36

Finding the Fourth Proportional to 11,990.57, 16,546.37 and 6,684.36

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Solution

The fourth proportional to 11,990.57, 16,546.37 and 6,684.36 is: 9,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.57 : 16,546.37 = 6,684.36 : x
  2. Step 2: Convert to fraction form
    11,990.57/16,546.37 = 6,684.36/x
  3. Step 3: Cross multiply
    11,990.57x = 16,546.37 × 6,684.36
  4. Step 4: Simplify right side
    11,990.57x = 110,601,893.77
  5. Step 5: Solve for x
    x = 110,601,893.77/11,990.57
  6. Step 6: Final answer
    x = 9,224.07

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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.