Home / 1,236.37-1,845.17-1,186.13

Finding the Fourth Proportional to 1,236.37, 1,845.17 and 1,186.13

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Solution

The fourth proportional to 1,236.37, 1,845.17 and 1,186.13 is: 1,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.37 : 1,845.17 = 1,186.13 : x
  2. Step 2: Convert to fraction form
    1,236.37/1,845.17 = 1,186.13/x
  3. Step 3: Cross multiply
    1,236.37x = 1,845.17 × 1,186.13
  4. Step 4: Simplify right side
    1,236.37x = 2,188,614.62
  5. Step 5: Solve for x
    x = 2,188,614.62/1,236.37
  6. Step 6: Final answer
    x = 1,770.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.