Home / 12,625.07-17,422.26-7,247.35

Finding the Fourth Proportional to 12,625.07, 17,422.26 and 7,247.35

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Solution

The fourth proportional to 12,625.07, 17,422.26 and 7,247.35 is: 10,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.07 : 17,422.26 = 7,247.35 : x
  2. Step 2: Convert to fraction form
    12,625.07/17,422.26 = 7,247.35/x
  3. Step 3: Cross multiply
    12,625.07x = 17,422.26 × 7,247.35
  4. Step 4: Simplify right side
    12,625.07x = 126,265,216.01
  5. Step 5: Solve for x
    x = 126,265,216.01/12,625.07
  6. Step 6: Final answer
    x = 10,001.15

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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.