Home / 7,408.49-11,106.96-3,708.81

Finding the Fourth Proportional to 7,408.49, 11,106.96 and 3,708.81

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Solution

The fourth proportional to 7,408.49, 11,106.96 and 3,708.81 is: 5,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.49 : 11,106.96 = 3,708.81 : x
  2. Step 2: Convert to fraction form
    7,408.49/11,106.96 = 3,708.81/x
  3. Step 3: Cross multiply
    7,408.49x = 11,106.96 × 3,708.81
  4. Step 4: Simplify right side
    7,408.49x = 41,193,604.32
  5. Step 5: Solve for x
    x = 41,193,604.32/7,408.49
  6. Step 6: Final answer
    x = 5,560.33

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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.