Home / 12,625.29-17,422.11-6,959.74

Finding the Fourth Proportional to 12,625.29, 17,422.11 and 6,959.74

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Solution

The fourth proportional to 12,625.29, 17,422.11 and 6,959.74 is: 9,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.29 : 17,422.11 = 6,959.74 : x
  2. Step 2: Convert to fraction form
    12,625.29/17,422.11 = 6,959.74/x
  3. Step 3: Cross multiply
    12,625.29x = 17,422.11 × 6,959.74
  4. Step 4: Simplify right side
    12,625.29x = 121,253,401.29
  5. Step 5: Solve for x
    x = 121,253,401.29/12,625.29
  6. Step 6: Final answer
    x = 9,604.01

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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.