Home / 12,634.10-17,443.16-11,305.49

Finding the Fourth Proportional to 12,634.10, 17,443.16 and 11,305.49

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Solution

The fourth proportional to 12,634.10, 17,443.16 and 11,305.49 is: 15,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.10 : 17,443.16 = 11,305.49 : x
  2. Step 2: Convert to fraction form
    12,634.10/17,443.16 = 11,305.49/x
  3. Step 3: Cross multiply
    12,634.10x = 17,443.16 × 11,305.49
  4. Step 4: Simplify right side
    12,634.10x = 197,203,327.21
  5. Step 5: Solve for x
    x = 197,203,327.21/12,634.10
  6. Step 6: Final answer
    x = 15,608.82

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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.