Home / 12,464.09-17,163.72-11,137.31

Finding the Fourth Proportional to 12,464.09, 17,163.72 and 11,137.31

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Solution

The fourth proportional to 12,464.09, 17,163.72 and 11,137.31 is: 15,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.09 : 17,163.72 = 11,137.31 : x
  2. Step 2: Convert to fraction form
    12,464.09/17,163.72 = 11,137.31/x
  3. Step 3: Cross multiply
    12,464.09x = 17,163.72 × 11,137.31
  4. Step 4: Simplify right side
    12,464.09x = 191,157,584.57
  5. Step 5: Solve for x
    x = 191,157,584.57/12,464.09
  6. Step 6: Final answer
    x = 15,336.67

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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.