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Finding the Fourth Proportional to 11,190.87, 16,792.19 and 4,955.19

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Solution

The fourth proportional to 11,190.87, 16,792.19 and 4,955.19 is: 7,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.87 : 16,792.19 = 4,955.19 : x
  2. Step 2: Convert to fraction form
    11,190.87/16,792.19 = 4,955.19/x
  3. Step 3: Cross multiply
    11,190.87x = 16,792.19 × 4,955.19
  4. Step 4: Simplify right side
    11,190.87x = 83,208,467.19
  5. Step 5: Solve for x
    x = 83,208,467.19/11,190.87
  6. Step 6: Final answer
    x = 7,435.39

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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.