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Finding the Fourth Proportional to 8,137.64, 11,230.16 and 4,601.38

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Solution

The fourth proportional to 8,137.64, 11,230.16 and 4,601.38 is: 6,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.64 : 11,230.16 = 4,601.38 : x
  2. Step 2: Convert to fraction form
    8,137.64/11,230.16 = 4,601.38/x
  3. Step 3: Cross multiply
    8,137.64x = 11,230.16 × 4,601.38
  4. Step 4: Simplify right side
    8,137.64x = 51,674,182.54
  5. Step 5: Solve for x
    x = 51,674,182.54/8,137.64
  6. Step 6: Final answer
    x = 6,350.02

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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.