Home / 8,491.44-12,710.46-5,360.61

Finding the Fourth Proportional to 8,491.44, 12,710.46 and 5,360.61

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Solution

The fourth proportional to 8,491.44, 12,710.46 and 5,360.61 is: 8,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.44 : 12,710.46 = 5,360.61 : x
  2. Step 2: Convert to fraction form
    8,491.44/12,710.46 = 5,360.61/x
  3. Step 3: Cross multiply
    8,491.44x = 12,710.46 × 5,360.61
  4. Step 4: Simplify right side
    8,491.44x = 68,135,818.98
  5. Step 5: Solve for x
    x = 68,135,818.98/8,491.44
  6. Step 6: Final answer
    x = 8,024.06

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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.