Home / 8,161.77-11,263.21-4,625.66

Finding the Fourth Proportional to 8,161.77, 11,263.21 and 4,625.66

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Solution

The fourth proportional to 8,161.77, 11,263.21 and 4,625.66 is: 6,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.77 : 11,263.21 = 4,625.66 : x
  2. Step 2: Convert to fraction form
    8,161.77/11,263.21 = 4,625.66/x
  3. Step 3: Cross multiply
    8,161.77x = 11,263.21 × 4,625.66
  4. Step 4: Simplify right side
    8,161.77x = 52,099,779.97
  5. Step 5: Solve for x
    x = 52,099,779.97/8,161.77
  6. Step 6: Final answer
    x = 6,383.39

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Half scale
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Double scale
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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.