Home / 11,272.25-15,555.28-6,236.69

Finding the Fourth Proportional to 11,272.25, 15,555.28 and 6,236.69

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Solution

The fourth proportional to 11,272.25, 15,555.28 and 6,236.69 is: 8,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.25 : 15,555.28 = 6,236.69 : x
  2. Step 2: Convert to fraction form
    11,272.25/15,555.28 = 6,236.69/x
  3. Step 3: Cross multiply
    11,272.25x = 15,555.28 × 6,236.69
  4. Step 4: Simplify right side
    11,272.25x = 97,013,381.45
  5. Step 5: Solve for x
    x = 97,013,381.45/11,272.25
  6. Step 6: Final answer
    x = 8,606.39

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Half scale
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Double scale
Find fourth proportional to 11,273.25, 15,556.66 and 6,237.69
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.