Home / 8,168.36-11,271.15-4,630.88

Finding the Fourth Proportional to 8,168.36, 11,271.15 and 4,630.88

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Solution

The fourth proportional to 8,168.36, 11,271.15 and 4,630.88 is: 6,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.36 : 11,271.15 = 4,630.88 : x
  2. Step 2: Convert to fraction form
    8,168.36/11,271.15 = 4,630.88/x
  3. Step 3: Cross multiply
    8,168.36x = 11,271.15 × 4,630.88
  4. Step 4: Simplify right side
    8,168.36x = 52,195,286.76
  5. Step 5: Solve for x
    x = 52,195,286.76/8,168.36
  6. Step 6: Final answer
    x = 6,389.94

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Half scale
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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.