Home / 12,625.17-17,422.80-7,323.12

Finding the Fourth Proportional to 12,625.17, 17,422.80 and 7,323.12

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Solution

The fourth proportional to 12,625.17, 17,422.80 and 7,323.12 is: 10,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.17 : 17,422.80 = 7,323.12 : x
  2. Step 2: Convert to fraction form
    12,625.17/17,422.80 = 7,323.12/x
  3. Step 3: Cross multiply
    12,625.17x = 17,422.80 × 7,323.12
  4. Step 4: Simplify right side
    12,625.17x = 127,589,255.14
  5. Step 5: Solve for x
    x = 127,589,255.14/12,625.17
  6. Step 6: Final answer
    x = 10,105.94

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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.