Home / 12,461.22-17,213.27-9,960.84

Finding the Fourth Proportional to 12,461.22, 17,213.27 and 9,960.84

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Solution

The fourth proportional to 12,461.22, 17,213.27 and 9,960.84 is: 13,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.22 : 17,213.27 = 9,960.84 : x
  2. Step 2: Convert to fraction form
    12,461.22/17,213.27 = 9,960.84/x
  3. Step 3: Cross multiply
    12,461.22x = 17,213.27 × 9,960.84
  4. Step 4: Simplify right side
    12,461.22x = 171,458,578.54
  5. Step 5: Solve for x
    x = 171,458,578.54/12,461.22
  6. Step 6: Final answer
    x = 13,759.37

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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.