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Finding the Fourth Proportional to 11.34, 15.62 and 9.52

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Solution

The fourth proportional to 11.34, 15.62 and 9.52 is: 13.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.34 : 15.62 = 9.52 : x
  2. Step 2: Convert to fraction form
    11.34/15.62 = 9.52/x
  3. Step 3: Cross multiply
    11.34x = 15.62 × 9.52
  4. Step 4: Simplify right side
    11.34x = 148.70
  5. Step 5: Solve for x
    x = 148.70/11.34
  6. Step 6: Final answer
    x = 13.11

Related Problems

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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.