Home / 9,168.09-13,749.55-2,843.56

Finding the Fourth Proportional to 9,168.09, 13,749.55 and 2,843.56

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Solution

The fourth proportional to 9,168.09, 13,749.55 and 2,843.56 is: 4,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.09 : 13,749.55 = 2,843.56 : x
  2. Step 2: Convert to fraction form
    9,168.09/13,749.55 = 2,843.56/x
  3. Step 3: Cross multiply
    9,168.09x = 13,749.55 × 2,843.56
  4. Step 4: Simplify right side
    9,168.09x = 39,097,603.13
  5. Step 5: Solve for x
    x = 39,097,603.13/9,168.09
  6. Step 6: Final answer
    x = 4,264.53

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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.