Home / 7,401.06-11,107.07-3,505.48

Finding the Fourth Proportional to 7,401.06, 11,107.07 and 3,505.48

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Solution

The fourth proportional to 7,401.06, 11,107.07 and 3,505.48 is: 5,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.06 : 11,107.07 = 3,505.48 : x
  2. Step 2: Convert to fraction form
    7,401.06/11,107.07 = 3,505.48/x
  3. Step 3: Cross multiply
    7,401.06x = 11,107.07 × 3,505.48
  4. Step 4: Simplify right side
    7,401.06x = 38,935,611.74
  5. Step 5: Solve for x
    x = 38,935,611.74/7,401.06
  6. Step 6: Final answer
    x = 5,260.82

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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.