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Finding the Fourth Proportional to 11.62, 17.36 and 9.37

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Solution

The fourth proportional to 11.62, 17.36 and 9.37 is: 14.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.62 : 17.36 = 9.37 : x
  2. Step 2: Convert to fraction form
    11.62/17.36 = 9.37/x
  3. Step 3: Cross multiply
    11.62x = 17.36 × 9.37
  4. Step 4: Simplify right side
    11.62x = 162.64
  5. Step 5: Solve for x
    x = 162.64/11.62
  6. Step 6: Final answer
    x = 14.00

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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.