Home / 8,157.66-12,233.36-3,474.70

Finding the Fourth Proportional to 8,157.66, 12,233.36 and 3,474.70

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Solution

The fourth proportional to 8,157.66, 12,233.36 and 3,474.70 is: 5,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.66 : 12,233.36 = 3,474.70 : x
  2. Step 2: Convert to fraction form
    8,157.66/12,233.36 = 3,474.70/x
  3. Step 3: Cross multiply
    8,157.66x = 12,233.36 × 3,474.70
  4. Step 4: Simplify right side
    8,157.66x = 42,507,255.99
  5. Step 5: Solve for x
    x = 42,507,255.99/8,157.66
  6. Step 6: Final answer
    x = 5,210.72

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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.