Home / 11,121.52-16,683.74-4,106.46

Finding the Fourth Proportional to 11,121.52, 16,683.74 and 4,106.46

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Solution

The fourth proportional to 11,121.52, 16,683.74 and 4,106.46 is: 6,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.52 : 16,683.74 = 4,106.46 : x
  2. Step 2: Convert to fraction form
    11,121.52/16,683.74 = 4,106.46/x
  3. Step 3: Cross multiply
    11,121.52x = 16,683.74 × 4,106.46
  4. Step 4: Simplify right side
    11,121.52x = 68,511,090.43
  5. Step 5: Solve for x
    x = 68,511,090.43/11,121.52
  6. Step 6: Final answer
    x = 6,160.23

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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.