Home / 9,122.42-13,683.66-2,548.80

Finding the Fourth Proportional to 9,122.42, 13,683.66 and 2,548.80

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Solution

The fourth proportional to 9,122.42, 13,683.66 and 2,548.80 is: 3,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.42 : 13,683.66 = 2,548.80 : x
  2. Step 2: Convert to fraction form
    9,122.42/13,683.66 = 2,548.80/x
  3. Step 3: Cross multiply
    9,122.42x = 13,683.66 × 2,548.80
  4. Step 4: Simplify right side
    9,122.42x = 34,876,912.61
  5. Step 5: Solve for x
    x = 34,876,912.61/9,122.42
  6. Step 6: Final answer
    x = 3,823.21

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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.