Home / 7,849.06-11,759.75-4,143.12

Finding the Fourth Proportional to 7,849.06, 11,759.75 and 4,143.12

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Solution

The fourth proportional to 7,849.06, 11,759.75 and 4,143.12 is: 6,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.06 : 11,759.75 = 4,143.12 : x
  2. Step 2: Convert to fraction form
    7,849.06/11,759.75 = 4,143.12/x
  3. Step 3: Cross multiply
    7,849.06x = 11,759.75 × 4,143.12
  4. Step 4: Simplify right side
    7,849.06x = 48,722,055.42
  5. Step 5: Solve for x
    x = 48,722,055.42/7,849.06
  6. Step 6: Final answer
    x = 6,207.37

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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.