Home / 8,543.27-12,814.56-2,619.92

Finding the Fourth Proportional to 8,543.27, 12,814.56 and 2,619.92

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Solution

The fourth proportional to 8,543.27, 12,814.56 and 2,619.92 is: 3,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.27 : 12,814.56 = 2,619.92 : x
  2. Step 2: Convert to fraction form
    8,543.27/12,814.56 = 2,619.92/x
  3. Step 3: Cross multiply
    8,543.27x = 12,814.56 × 2,619.92
  4. Step 4: Simplify right side
    8,543.27x = 33,573,057.96
  5. Step 5: Solve for x
    x = 33,573,057.96/8,543.27
  6. Step 6: Final answer
    x = 3,929.77

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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.