Home / 6,171.36-8,516.16-3,376.32

Finding the Fourth Proportional to 6,171.36, 8,516.16 and 3,376.32

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Solution

The fourth proportional to 6,171.36, 8,516.16 and 3,376.32 is: 4,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.36 : 8,516.16 = 3,376.32 : x
  2. Step 2: Convert to fraction form
    6,171.36/8,516.16 = 3,376.32/x
  3. Step 3: Cross multiply
    6,171.36x = 8,516.16 × 3,376.32
  4. Step 4: Simplify right side
    6,171.36x = 28,753,281.33
  5. Step 5: Solve for x
    x = 28,753,281.33/6,171.36
  6. Step 6: Final answer
    x = 4,659.15

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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.