Home / 8,336.70-11,557.26-7,892.82

Finding the Fourth Proportional to 8,336.70, 11,557.26 and 7,892.82

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Solution

The fourth proportional to 8,336.70, 11,557.26 and 7,892.82 is: 10,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.70 : 11,557.26 = 7,892.82 : x
  2. Step 2: Convert to fraction form
    8,336.70/11,557.26 = 7,892.82/x
  3. Step 3: Cross multiply
    8,336.70x = 11,557.26 × 7,892.82
  4. Step 4: Simplify right side
    8,336.70x = 91,219,372.87
  5. Step 5: Solve for x
    x = 91,219,372.87/8,336.70
  6. Step 6: Final answer
    x = 10,941.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.