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Finding the Fourth Proportional to 9,626, 13,253 and 8,383.46

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Solution

The fourth proportional to 9,626, 13,253 and 8,383.46 is: 11,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,626 : 13,253 = 8,383.46 : x
  2. Step 2: Convert to fraction form
    9,626/13,253 = 8,383.46/x
  3. Step 3: Cross multiply
    9,626x = 13,253 × 8,383.46
  4. Step 4: Simplify right side
    9,626x = 111,105,995.38
  5. Step 5: Solve for x
    x = 111,105,995.38/9,626
  6. Step 6: Final answer
    x = 11,542.28

Related Problems

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Double scale
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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.