Home / 7,408.74-11,107.33-3,709.06

Finding the Fourth Proportional to 7,408.74, 11,107.33 and 3,709.06

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Solution

The fourth proportional to 7,408.74, 11,107.33 and 3,709.06 is: 5,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.74 : 11,107.33 = 3,709.06 : x
  2. Step 2: Convert to fraction form
    7,408.74/11,107.33 = 3,709.06/x
  3. Step 3: Cross multiply
    7,408.74x = 11,107.33 × 3,709.06
  4. Step 4: Simplify right side
    7,408.74x = 41,197,753.41
  5. Step 5: Solve for x
    x = 41,197,753.41/7,408.74
  6. Step 6: Final answer
    x = 5,560.70

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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.