Home / 6,747.22-10,121.55-1,816.93

Finding the Fourth Proportional to 6,747.22, 10,121.55 and 1,816.93

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Solution

The fourth proportional to 6,747.22, 10,121.55 and 1,816.93 is: 2,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.22 : 10,121.55 = 1,816.93 : x
  2. Step 2: Convert to fraction form
    6,747.22/10,121.55 = 1,816.93/x
  3. Step 3: Cross multiply
    6,747.22x = 10,121.55 × 1,816.93
  4. Step 4: Simplify right side
    6,747.22x = 18,390,147.84
  5. Step 5: Solve for x
    x = 18,390,147.84/6,747.22
  6. Step 6: Final answer
    x = 2,725.59

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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.