Home / 11,232.45-16,830.45-9,665.10

Finding the Fourth Proportional to 11,232.45, 16,830.45 and 9,665.10

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Solution

The fourth proportional to 11,232.45, 16,830.45 and 9,665.10 is: 14,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.45 : 16,830.45 = 9,665.10 : x
  2. Step 2: Convert to fraction form
    11,232.45/16,830.45 = 9,665.10/x
  3. Step 3: Cross multiply
    11,232.45x = 16,830.45 × 9,665.10
  4. Step 4: Simplify right side
    11,232.45x = 162,667,982.30
  5. Step 5: Solve for x
    x = 162,667,982.30/11,232.45
  6. Step 6: Final answer
    x = 14,481.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.