Home / 8,396.04-12,591.38-2,772.45

Finding the Fourth Proportional to 8,396.04, 12,591.38 and 2,772.45

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Solution

The fourth proportional to 8,396.04, 12,591.38 and 2,772.45 is: 4,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.04 : 12,591.38 = 2,772.45 : x
  2. Step 2: Convert to fraction form
    8,396.04/12,591.38 = 2,772.45/x
  3. Step 3: Cross multiply
    8,396.04x = 12,591.38 × 2,772.45
  4. Step 4: Simplify right side
    8,396.04x = 34,908,957.62
  5. Step 5: Solve for x
    x = 34,908,957.62/8,396.04
  6. Step 6: Final answer
    x = 4,157.79

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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.