Home / 11,477.25-17,212.69-3,155.28

Finding the Fourth Proportional to 11,477.25, 17,212.69 and 3,155.28

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Solution

The fourth proportional to 11,477.25, 17,212.69 and 3,155.28 is: 4,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.25 : 17,212.69 = 3,155.28 : x
  2. Step 2: Convert to fraction form
    11,477.25/17,212.69 = 3,155.28/x
  3. Step 3: Cross multiply
    11,477.25x = 17,212.69 × 3,155.28
  4. Step 4: Simplify right side
    11,477.25x = 54,310,856.50
  5. Step 5: Solve for x
    x = 54,310,856.50/11,477.25
  6. Step 6: Final answer
    x = 4,732.04

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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.