Home / 8,364.66-12,548.61-3,174.18

Finding the Fourth Proportional to 8,364.66, 12,548.61 and 3,174.18

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Solution

The fourth proportional to 8,364.66, 12,548.61 and 3,174.18 is: 4,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.66 : 12,548.61 = 3,174.18 : x
  2. Step 2: Convert to fraction form
    8,364.66/12,548.61 = 3,174.18/x
  3. Step 3: Cross multiply
    8,364.66x = 12,548.61 × 3,174.18
  4. Step 4: Simplify right side
    8,364.66x = 39,831,546.89
  5. Step 5: Solve for x
    x = 39,831,546.89/8,364.66
  6. Step 6: Final answer
    x = 4,761.88

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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.