Home / 11,742.06-16,203.62-6,436.77

Finding the Fourth Proportional to 11,742.06, 16,203.62 and 6,436.77

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Solution

The fourth proportional to 11,742.06, 16,203.62 and 6,436.77 is: 8,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.06 : 16,203.62 = 6,436.77 : x
  2. Step 2: Convert to fraction form
    11,742.06/16,203.62 = 6,436.77/x
  3. Step 3: Cross multiply
    11,742.06x = 16,203.62 × 6,436.77
  4. Step 4: Simplify right side
    11,742.06x = 104,298,912.33
  5. Step 5: Solve for x
    x = 104,298,912.33/11,742.06
  6. Step 6: Final answer
    x = 8,882.50

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Half scale
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Double scale
Find fourth proportional to 11,743.06, 16,205 and 6,437.77
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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.