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Finding the Fourth Proportional to 9.44, 14 and 9.35

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Solution

The fourth proportional to 9.44, 14 and 9.35 is: 13.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.44 : 14 = 9.35 : x
  2. Step 2: Convert to fraction form
    9.44/14 = 9.35/x
  3. Step 3: Cross multiply
    9.44x = 14 × 9.35
  4. Step 4: Simplify right side
    9.44x = 130.90
  5. Step 5: Solve for x
    x = 130.90/9.44
  6. Step 6: Final answer
    x = 13.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.