Home / 11,120.45-16,683.84-3,725.36

Finding the Fourth Proportional to 11,120.45, 16,683.84 and 3,725.36

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Solution

The fourth proportional to 11,120.45, 16,683.84 and 3,725.36 is: 5,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.45 : 16,683.84 = 3,725.36 : x
  2. Step 2: Convert to fraction form
    11,120.45/16,683.84 = 3,725.36/x
  3. Step 3: Cross multiply
    11,120.45x = 16,683.84 × 3,725.36
  4. Step 4: Simplify right side
    11,120.45x = 62,153,310.18
  5. Step 5: Solve for x
    x = 62,153,310.18/11,120.45
  6. Step 6: Final answer
    x = 5,589.10

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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.