Home / 8,581.16-12,847.46-5,453.41

Finding the Fourth Proportional to 8,581.16, 12,847.46 and 5,453.41

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Solution

The fourth proportional to 8,581.16, 12,847.46 and 5,453.41 is: 8,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.16 : 12,847.46 = 5,453.41 : x
  2. Step 2: Convert to fraction form
    8,581.16/12,847.46 = 5,453.41/x
  3. Step 3: Cross multiply
    8,581.16x = 12,847.46 × 5,453.41
  4. Step 4: Simplify right side
    8,581.16x = 70,062,402.60
  5. Step 5: Solve for x
    x = 70,062,402.60/8,581.16
  6. Step 6: Final answer
    x = 8,164.68

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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.