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Finding the Fourth Proportional to 10,873.53, 15,004.97 and 6,157.85

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Solution

The fourth proportional to 10,873.53, 15,004.97 and 6,157.85 is: 8,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.53 : 15,004.97 = 6,157.85 : x
  2. Step 2: Convert to fraction form
    10,873.53/15,004.97 = 6,157.85/x
  3. Step 3: Cross multiply
    10,873.53x = 15,004.97 × 6,157.85
  4. Step 4: Simplify right side
    10,873.53x = 92,398,362.70
  5. Step 5: Solve for x
    x = 92,398,362.70/10,873.53
  6. Step 6: Final answer
    x = 8,497.55

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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.