Home / 8,396.72-11,591.22-6,158.60

Finding the Fourth Proportional to 8,396.72, 11,591.22 and 6,158.60

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Solution

The fourth proportional to 8,396.72, 11,591.22 and 6,158.60 is: 8,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.72 : 11,591.22 = 6,158.60 : x
  2. Step 2: Convert to fraction form
    8,396.72/11,591.22 = 6,158.60/x
  3. Step 3: Cross multiply
    8,396.72x = 11,591.22 × 6,158.60
  4. Step 4: Simplify right side
    8,396.72x = 71,385,687.49
  5. Step 5: Solve for x
    x = 71,385,687.49/8,396.72
  6. Step 6: Final answer
    x = 8,501.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.