Home / 6,566.21-9,849.31-1,949.21

Finding the Fourth Proportional to 6,566.21, 9,849.31 and 1,949.21

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Solution

The fourth proportional to 6,566.21, 9,849.31 and 1,949.21 is: 2,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,566.21 : 9,849.31 = 1,949.21 : x
  2. Step 2: Convert to fraction form
    6,566.21/9,849.31 = 1,949.21/x
  3. Step 3: Cross multiply
    6,566.21x = 9,849.31 × 1,949.21
  4. Step 4: Simplify right side
    6,566.21x = 19,198,356.36
  5. Step 5: Solve for x
    x = 19,198,356.36/6,566.21
  6. Step 6: Final answer
    x = 2,923.81

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Double scale
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Similar ratio
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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.