Home / 6,072.06-9,108.46-1,912.20

Finding the Fourth Proportional to 6,072.06, 9,108.46 and 1,912.20

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Solution

The fourth proportional to 6,072.06, 9,108.46 and 1,912.20 is: 2,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.06 : 9,108.46 = 1,912.20 : x
  2. Step 2: Convert to fraction form
    6,072.06/9,108.46 = 1,912.20/x
  3. Step 3: Cross multiply
    6,072.06x = 9,108.46 × 1,912.20
  4. Step 4: Simplify right side
    6,072.06x = 17,417,197.21
  5. Step 5: Solve for x
    x = 17,417,197.21/6,072.06
  6. Step 6: Final answer
    x = 2,868.42

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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.