Home / 11,906.24-16,431.66-6,602.09

Finding the Fourth Proportional to 11,906.24, 16,431.66 and 6,602.09

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Solution

The fourth proportional to 11,906.24, 16,431.66 and 6,602.09 is: 9,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.24 : 16,431.66 = 6,602.09 : x
  2. Step 2: Convert to fraction form
    11,906.24/16,431.66 = 6,602.09/x
  3. Step 3: Cross multiply
    11,906.24x = 16,431.66 × 6,602.09
  4. Step 4: Simplify right side
    11,906.24x = 108,483,216.01
  5. Step 5: Solve for x
    x = 108,483,216.01/11,906.24
  6. Step 6: Final answer
    x = 9,111.46

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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.