Home / 11,329.75-16,997.27-3,432.32

Finding the Fourth Proportional to 11,329.75, 16,997.27 and 3,432.32

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Solution

The fourth proportional to 11,329.75, 16,997.27 and 3,432.32 is: 5,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.75 : 16,997.27 = 3,432.32 : x
  2. Step 2: Convert to fraction form
    11,329.75/16,997.27 = 3,432.32/x
  3. Step 3: Cross multiply
    11,329.75x = 16,997.27 × 3,432.32
  4. Step 4: Simplify right side
    11,329.75x = 58,340,069.77
  5. Step 5: Solve for x
    x = 58,340,069.77/11,329.75
  6. Step 6: Final answer
    x = 5,149.28

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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.