Home / 6,171.12-8,516.36-3,376.88

Finding the Fourth Proportional to 6,171.12, 8,516.36 and 3,376.88

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Solution

The fourth proportional to 6,171.12, 8,516.36 and 3,376.88 is: 4,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.12 : 8,516.36 = 3,376.88 : x
  2. Step 2: Convert to fraction form
    6,171.12/8,516.36 = 3,376.88/x
  3. Step 3: Cross multiply
    6,171.12x = 8,516.36 × 3,376.88
  4. Step 4: Simplify right side
    6,171.12x = 28,758,725.76
  5. Step 5: Solve for x
    x = 28,758,725.76/6,171.12
  6. Step 6: Final answer
    x = 4,660.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.