Home / 8,281.62-11,428.83-4,505.04

Finding the Fourth Proportional to 8,281.62, 11,428.83 and 4,505.04

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Solution

The fourth proportional to 8,281.62, 11,428.83 and 4,505.04 is: 6,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.62 : 11,428.83 = 4,505.04 : x
  2. Step 2: Convert to fraction form
    8,281.62/11,428.83 = 4,505.04/x
  3. Step 3: Cross multiply
    8,281.62x = 11,428.83 × 4,505.04
  4. Step 4: Simplify right side
    8,281.62x = 51,487,336.30
  5. Step 5: Solve for x
    x = 51,487,336.30/8,281.62
  6. Step 6: Final answer
    x = 6,217.06

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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.