Home / 12,399.33-17,110.98-6,734.23

Finding the Fourth Proportional to 12,399.33, 17,110.98 and 6,734.23

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Solution

The fourth proportional to 12,399.33, 17,110.98 and 6,734.23 is: 9,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.33 : 17,110.98 = 6,734.23 : x
  2. Step 2: Convert to fraction form
    12,399.33/17,110.98 = 6,734.23/x
  3. Step 3: Cross multiply
    12,399.33x = 17,110.98 × 6,734.23
  4. Step 4: Simplify right side
    12,399.33x = 115,229,274.85
  5. Step 5: Solve for x
    x = 115,229,274.85/12,399.33
  6. Step 6: Final answer
    x = 9,293.19

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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.