Home / 7,408.15-11,106.97-3,707.72

Finding the Fourth Proportional to 7,408.15, 11,106.97 and 3,707.72

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Solution

The fourth proportional to 7,408.15, 11,106.97 and 3,707.72 is: 5,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.15 : 11,106.97 = 3,707.72 : x
  2. Step 2: Convert to fraction form
    7,408.15/11,106.97 = 3,707.72/x
  3. Step 3: Cross multiply
    7,408.15x = 11,106.97 × 3,707.72
  4. Step 4: Simplify right side
    7,408.15x = 41,181,534.81
  5. Step 5: Solve for x
    x = 41,181,534.81/7,408.15
  6. Step 6: Final answer
    x = 5,558.95

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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.