Home / 11,708.75-16,164.77-7,741.37

Finding the Fourth Proportional to 11,708.75, 16,164.77 and 7,741.37

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Solution

The fourth proportional to 11,708.75, 16,164.77 and 7,741.37 is: 10,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.75 : 16,164.77 = 7,741.37 : x
  2. Step 2: Convert to fraction form
    11,708.75/16,164.77 = 7,741.37/x
  3. Step 3: Cross multiply
    11,708.75x = 16,164.77 × 7,741.37
  4. Step 4: Simplify right side
    11,708.75x = 125,137,467.24
  5. Step 5: Solve for x
    x = 125,137,467.24/11,708.75
  6. Step 6: Final answer
    x = 10,687.51

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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.