Home / 11,999.75-16,559.66-6,694.57

Finding the Fourth Proportional to 11,999.75, 16,559.66 and 6,694.57

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Solution

The fourth proportional to 11,999.75, 16,559.66 and 6,694.57 is: 9,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.75 : 16,559.66 = 6,694.57 : x
  2. Step 2: Convert to fraction form
    11,999.75/16,559.66 = 6,694.57/x
  3. Step 3: Cross multiply
    11,999.75x = 16,559.66 × 6,694.57
  4. Step 4: Simplify right side
    11,999.75x = 110,859,686.78
  5. Step 5: Solve for x
    x = 110,859,686.78/11,999.75
  6. Step 6: Final answer
    x = 9,238.50

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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.