Home / 11,906.39-16,431.01-6,529.32

Finding the Fourth Proportional to 11,906.39, 16,431.01 and 6,529.32

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Solution

The fourth proportional to 11,906.39, 16,431.01 and 6,529.32 is: 9,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.39 : 16,431.01 = 6,529.32 : x
  2. Step 2: Convert to fraction form
    11,906.39/16,431.01 = 6,529.32/x
  3. Step 3: Cross multiply
    11,906.39x = 16,431.01 × 6,529.32
  4. Step 4: Simplify right side
    11,906.39x = 107,283,305.89
  5. Step 5: Solve for x
    x = 107,283,305.89/11,906.39
  6. Step 6: Final answer
    x = 9,010.56

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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.