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Finding the Fourth Proportional to 11,092.88, 15,308.16 and 6,124.88

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Solution

The fourth proportional to 11,092.88, 15,308.16 and 6,124.88 is: 8,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.88 : 15,308.16 = 6,124.88 : x
  2. Step 2: Convert to fraction form
    11,092.88/15,308.16 = 6,124.88/x
  3. Step 3: Cross multiply
    11,092.88x = 15,308.16 × 6,124.88
  4. Step 4: Simplify right side
    11,092.88x = 93,760,643.02
  5. Step 5: Solve for x
    x = 93,760,643.02/11,092.88
  6. Step 6: Final answer
    x = 8,452.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.