Home / 10,996.36-15,174.82-6,280.60

Finding the Fourth Proportional to 10,996.36, 15,174.82 and 6,280.60

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Solution

The fourth proportional to 10,996.36, 15,174.82 and 6,280.60 is: 8,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.36 : 15,174.82 = 6,280.60 : x
  2. Step 2: Convert to fraction form
    10,996.36/15,174.82 = 6,280.60/x
  3. Step 3: Cross multiply
    10,996.36x = 15,174.82 × 6,280.60
  4. Step 4: Simplify right side
    10,996.36x = 95,306,974.49
  5. Step 5: Solve for x
    x = 95,306,974.49/10,996.36
  6. Step 6: Final answer
    x = 8,667.14

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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.