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Finding the Fourth Proportional to 11,152.97, 15,391.10 and 6,184.97

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Solution

The fourth proportional to 11,152.97, 15,391.10 and 6,184.97 is: 8,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.97 : 15,391.10 = 6,184.97 : x
  2. Step 2: Convert to fraction form
    11,152.97/15,391.10 = 6,184.97/x
  3. Step 3: Cross multiply
    11,152.97x = 15,391.10 × 6,184.97
  4. Step 4: Simplify right side
    11,152.97x = 95,193,383.89
  5. Step 5: Solve for x
    x = 95,193,383.89/11,152.97
  6. Step 6: Final answer
    x = 8,535.25

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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.