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Finding the Fourth Proportional to 11,124, 15,352.08 and 6,156.96

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Solution

The fourth proportional to 11,124, 15,352.08 and 6,156.96 is: 8,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124 : 15,352.08 = 6,156.96 : x
  2. Step 2: Convert to fraction form
    11,124/15,352.08 = 6,156.96/x
  3. Step 3: Cross multiply
    11,124x = 15,352.08 × 6,156.96
  4. Step 4: Simplify right side
    11,124x = 94,522,142.48
  5. Step 5: Solve for x
    x = 94,522,142.48/11,124
  6. Step 6: Final answer
    x = 8,497.14

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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.