Home / 11,272.21-15,555.37-6,236.32

Finding the Fourth Proportional to 11,272.21, 15,555.37 and 6,236.32

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Solution

The fourth proportional to 11,272.21, 15,555.37 and 6,236.32 is: 8,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.21 : 15,555.37 = 6,236.32 : x
  2. Step 2: Convert to fraction form
    11,272.21/15,555.37 = 6,236.32/x
  3. Step 3: Cross multiply
    11,272.21x = 15,555.37 × 6,236.32
  4. Step 4: Simplify right side
    11,272.21x = 97,008,265.04
  5. Step 5: Solve for x
    x = 97,008,265.04/11,272.21
  6. Step 6: Final answer
    x = 8,605.97

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Half scale
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Double scale
Find fourth proportional to 11,273.21, 15,556.75 and 6,237.32
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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.