Home / 8,499.26-12,746.66-3,816.65

Finding the Fourth Proportional to 8,499.26, 12,746.66 and 3,816.65

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Solution

The fourth proportional to 8,499.26, 12,746.66 and 3,816.65 is: 5,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.26 : 12,746.66 = 3,816.65 : x
  2. Step 2: Convert to fraction form
    8,499.26/12,746.66 = 3,816.65/x
  3. Step 3: Cross multiply
    8,499.26x = 12,746.66 × 3,816.65
  4. Step 4: Simplify right side
    8,499.26x = 48,649,539.89
  5. Step 5: Solve for x
    x = 48,649,539.89/8,499.26
  6. Step 6: Final answer
    x = 5,723.97

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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.