Home / 11,601.40-16,009.92-6,296.21

Finding the Fourth Proportional to 11,601.40, 16,009.92 and 6,296.21

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Solution

The fourth proportional to 11,601.40, 16,009.92 and 6,296.21 is: 8,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.40 : 16,009.92 = 6,296.21 : x
  2. Step 2: Convert to fraction form
    11,601.40/16,009.92 = 6,296.21/x
  3. Step 3: Cross multiply
    11,601.40x = 16,009.92 × 6,296.21
  4. Step 4: Simplify right side
    11,601.40x = 100,801,761.96
  5. Step 5: Solve for x
    x = 100,801,761.96/11,601.40
  6. Step 6: Final answer
    x = 8,688.76

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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.