Home / 11,272.30-15,555.48-6,236.38

Finding the Fourth Proportional to 11,272.30, 15,555.48 and 6,236.38

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Solution

The fourth proportional to 11,272.30, 15,555.48 and 6,236.38 is: 8,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.30 : 15,555.48 = 6,236.38 : x
  2. Step 2: Convert to fraction form
    11,272.30/15,555.48 = 6,236.38/x
  3. Step 3: Cross multiply
    11,272.30x = 15,555.48 × 6,236.38
  4. Step 4: Simplify right side
    11,272.30x = 97,009,884.36
  5. Step 5: Solve for x
    x = 97,009,884.36/11,272.30
  6. Step 6: Final answer
    x = 8,606.04

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Half scale
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Double scale
Find fourth proportional to 11,273.30, 15,556.86 and 6,237.38
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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.