Home / 12,736.28-17,573.43-7,700.71

Finding the Fourth Proportional to 12,736.28, 17,573.43 and 7,700.71

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Solution

The fourth proportional to 12,736.28, 17,573.43 and 7,700.71 is: 10,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.28 : 17,573.43 = 7,700.71 : x
  2. Step 2: Convert to fraction form
    12,736.28/17,573.43 = 7,700.71/x
  3. Step 3: Cross multiply
    12,736.28x = 17,573.43 × 7,700.71
  4. Step 4: Simplify right side
    12,736.28x = 135,327,859.66
  5. Step 5: Solve for x
    x = 135,327,859.66/12,736.28
  6. Step 6: Final answer
    x = 10,625.39

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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.