Home / 8,601.15-12,896.58-2,976.98

Finding the Fourth Proportional to 8,601.15, 12,896.58 and 2,976.98

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Solution

The fourth proportional to 8,601.15, 12,896.58 and 2,976.98 is: 4,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.15 : 12,896.58 = 2,976.98 : x
  2. Step 2: Convert to fraction form
    8,601.15/12,896.58 = 2,976.98/x
  3. Step 3: Cross multiply
    8,601.15x = 12,896.58 × 2,976.98
  4. Step 4: Simplify right side
    8,601.15x = 38,392,796.25
  5. Step 5: Solve for x
    x = 38,392,796.25/8,601.15
  6. Step 6: Final answer
    x = 4,463.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.