Home / 7,401.94-10,209.98-5,629.66

Finding the Fourth Proportional to 7,401.94, 10,209.98 and 5,629.66

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Solution

The fourth proportional to 7,401.94, 10,209.98 and 5,629.66 is: 7,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.94 : 10,209.98 = 5,629.66 : x
  2. Step 2: Convert to fraction form
    7,401.94/10,209.98 = 5,629.66/x
  3. Step 3: Cross multiply
    7,401.94x = 10,209.98 × 5,629.66
  4. Step 4: Simplify right side
    7,401.94x = 57,478,716.01
  5. Step 5: Solve for x
    x = 57,478,716.01/7,401.94
  6. Step 6: Final answer
    x = 7,765.36

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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.