Home / 8,499.90-11,725.11-5,350.62

Finding the Fourth Proportional to 8,499.90, 11,725.11 and 5,350.62

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Solution

The fourth proportional to 8,499.90, 11,725.11 and 5,350.62 is: 7,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.90 : 11,725.11 = 5,350.62 : x
  2. Step 2: Convert to fraction form
    8,499.90/11,725.11 = 5,350.62/x
  3. Step 3: Cross multiply
    8,499.90x = 11,725.11 × 5,350.62
  4. Step 4: Simplify right side
    8,499.90x = 62,736,608.07
  5. Step 5: Solve for x
    x = 62,736,608.07/8,499.90
  6. Step 6: Final answer
    x = 7,380.86

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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.