Home / 11,912.08-16,433.28-7,436.94

Finding the Fourth Proportional to 11,912.08, 16,433.28 and 7,436.94

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Solution

The fourth proportional to 11,912.08, 16,433.28 and 7,436.94 is: 10,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.08 : 16,433.28 = 7,436.94 : x
  2. Step 2: Convert to fraction form
    11,912.08/16,433.28 = 7,436.94/x
  3. Step 3: Cross multiply
    11,912.08x = 16,433.28 × 7,436.94
  4. Step 4: Simplify right side
    11,912.08x = 122,213,317.36
  5. Step 5: Solve for x
    x = 122,213,317.36/11,912.08
  6. Step 6: Final answer
    x = 10,259.61

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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.