Home / 12,625.80-17,425.28-7,250.36

Finding the Fourth Proportional to 12,625.80, 17,425.28 and 7,250.36

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Solution

The fourth proportional to 12,625.80, 17,425.28 and 7,250.36 is: 10,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.80 : 17,425.28 = 7,250.36 : x
  2. Step 2: Convert to fraction form
    12,625.80/17,425.28 = 7,250.36/x
  3. Step 3: Cross multiply
    12,625.80x = 17,425.28 × 7,250.36
  4. Step 4: Simplify right side
    12,625.80x = 126,339,553.10
  5. Step 5: Solve for x
    x = 126,339,553.10/12,625.80
  6. Step 6: Final answer
    x = 10,006.46

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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.