Home / 7,584.40-11,372.55-3,196.90

Finding the Fourth Proportional to 7,584.40, 11,372.55 and 3,196.90

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Solution

The fourth proportional to 7,584.40, 11,372.55 and 3,196.90 is: 4,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.40 : 11,372.55 = 3,196.90 : x
  2. Step 2: Convert to fraction form
    7,584.40/11,372.55 = 3,196.90/x
  3. Step 3: Cross multiply
    7,584.40x = 11,372.55 × 3,196.90
  4. Step 4: Simplify right side
    7,584.40x = 36,356,905.10
  5. Step 5: Solve for x
    x = 36,356,905.10/7,584.40
  6. Step 6: Final answer
    x = 4,793.64

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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.