Home / 7,401.97-11,105.43-4,625.29

Finding the Fourth Proportional to 7,401.97, 11,105.43 and 4,625.29

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Solution

The fourth proportional to 7,401.97, 11,105.43 and 4,625.29 is: 6,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.97 : 11,105.43 = 4,625.29 : x
  2. Step 2: Convert to fraction form
    7,401.97/11,105.43 = 4,625.29/x
  3. Step 3: Cross multiply
    7,401.97x = 11,105.43 × 4,625.29
  4. Step 4: Simplify right side
    7,401.97x = 51,365,834.32
  5. Step 5: Solve for x
    x = 51,365,834.32/7,401.97
  6. Step 6: Final answer
    x = 6,939.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.