Home / 7,408.12-11,084.36-4,435.62

Finding the Fourth Proportional to 7,408.12, 11,084.36 and 4,435.62

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Solution

The fourth proportional to 7,408.12, 11,084.36 and 4,435.62 is: 6,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.12 : 11,084.36 = 4,435.62 : x
  2. Step 2: Convert to fraction form
    7,408.12/11,084.36 = 4,435.62/x
  3. Step 3: Cross multiply
    7,408.12x = 11,084.36 × 4,435.62
  4. Step 4: Simplify right side
    7,408.12x = 49,166,008.90
  5. Step 5: Solve for x
    x = 49,166,008.90/7,408.12
  6. Step 6: Final answer
    x = 6,636.78

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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.