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Finding the Fourth Proportional to 9,122.91, 13,684.37 and 7,045.95

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Solution

The fourth proportional to 9,122.91, 13,684.37 and 7,045.95 is: 10,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.91 : 13,684.37 = 7,045.95 : x
  2. Step 2: Convert to fraction form
    9,122.91/13,684.37 = 7,045.95/x
  3. Step 3: Cross multiply
    9,122.91x = 13,684.37 × 7,045.95
  4. Step 4: Simplify right side
    9,122.91x = 96,419,283.15
  5. Step 5: Solve for x
    x = 96,419,283.15/9,122.91
  6. Step 6: Final answer
    x = 10,568.92

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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.