Home / 7,568.40-11,353.32-3,185.04

Finding the Fourth Proportional to 7,568.40, 11,353.32 and 3,185.04

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Solution

The fourth proportional to 7,568.40, 11,353.32 and 3,185.04 is: 4,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.40 : 11,353.32 = 3,185.04 : x
  2. Step 2: Convert to fraction form
    7,568.40/11,353.32 = 3,185.04/x
  3. Step 3: Cross multiply
    7,568.40x = 11,353.32 × 3,185.04
  4. Step 4: Simplify right side
    7,568.40x = 36,160,778.33
  5. Step 5: Solve for x
    x = 36,160,778.33/7,568.40
  6. Step 6: Final answer
    x = 4,777.86

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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.