Home / 9,122.79-13,682.97-2,883.36

Finding the Fourth Proportional to 9,122.79, 13,682.97 and 2,883.36

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Solution

The fourth proportional to 9,122.79, 13,682.97 and 2,883.36 is: 4,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.79 : 13,682.97 = 2,883.36 : x
  2. Step 2: Convert to fraction form
    9,122.79/13,682.97 = 2,883.36/x
  3. Step 3: Cross multiply
    9,122.79x = 13,682.97 × 2,883.36
  4. Step 4: Simplify right side
    9,122.79x = 39,452,928.38
  5. Step 5: Solve for x
    x = 39,452,928.38/9,122.79
  6. Step 6: Final answer
    x = 4,324.66

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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.