Home / 11,211.39-15,471.83-6,175.63

Finding the Fourth Proportional to 11,211.39, 15,471.83 and 6,175.63

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Solution

The fourth proportional to 11,211.39, 15,471.83 and 6,175.63 is: 8,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.39 : 15,471.83 = 6,175.63 : x
  2. Step 2: Convert to fraction form
    11,211.39/15,471.83 = 6,175.63/x
  3. Step 3: Cross multiply
    11,211.39x = 15,471.83 × 6,175.63
  4. Step 4: Simplify right side
    11,211.39x = 95,548,305.30
  5. Step 5: Solve for x
    x = 95,548,305.30/11,211.39
  6. Step 6: Final answer
    x = 8,522.43

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Half scale
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Double scale
Find fourth proportional to 11,212.39, 15,473.21 and 6,176.63
Similar ratio
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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.