Home / 11,933.88-16,466.76-6,628.56

Finding the Fourth Proportional to 11,933.88, 16,466.76 and 6,628.56

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Solution

The fourth proportional to 11,933.88, 16,466.76 and 6,628.56 is: 9,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.88 : 16,466.76 = 6,628.56 : x
  2. Step 2: Convert to fraction form
    11,933.88/16,466.76 = 6,628.56/x
  3. Step 3: Cross multiply
    11,933.88x = 16,466.76 × 6,628.56
  4. Step 4: Simplify right side
    11,933.88x = 109,150,906.67
  5. Step 5: Solve for x
    x = 109,150,906.67/11,933.88
  6. Step 6: Final answer
    x = 9,146.31

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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.