Home / 8,186.76-11,297.97-4,650.12

Finding the Fourth Proportional to 8,186.76, 11,297.97 and 4,650.12

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Solution

The fourth proportional to 8,186.76, 11,297.97 and 4,650.12 is: 6,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.76 : 11,297.97 = 4,650.12 : x
  2. Step 2: Convert to fraction form
    8,186.76/11,297.97 = 4,650.12/x
  3. Step 3: Cross multiply
    8,186.76x = 11,297.97 × 4,650.12
  4. Step 4: Simplify right side
    8,186.76x = 52,536,916.26
  5. Step 5: Solve for x
    x = 52,536,916.26/8,186.76
  6. Step 6: Final answer
    x = 6,417.30

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Half scale
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Double scale
Find fourth proportional to 8,187.76, 11,299.35 and 4,651.12
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.