Home / 12,333.96-17,012.70-11,906.28

Finding the Fourth Proportional to 12,333.96, 17,012.70 and 11,906.28

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Solution

The fourth proportional to 12,333.96, 17,012.70 and 11,906.28 is: 16,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.96 : 17,012.70 = 11,906.28 : x
  2. Step 2: Convert to fraction form
    12,333.96/17,012.70 = 11,906.28/x
  3. Step 3: Cross multiply
    12,333.96x = 17,012.70 × 11,906.28
  4. Step 4: Simplify right side
    12,333.96x = 202,557,969.76
  5. Step 5: Solve for x
    x = 202,557,969.76/12,333.96
  6. Step 6: Final answer
    x = 16,422.78

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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.