Home / 10,367.86-15,558.24-4,211.86

Finding the Fourth Proportional to 10,367.86, 15,558.24 and 4,211.86

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Solution

The fourth proportional to 10,367.86, 15,558.24 and 4,211.86 is: 6,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.86 : 15,558.24 = 4,211.86 : x
  2. Step 2: Convert to fraction form
    10,367.86/15,558.24 = 4,211.86/x
  3. Step 3: Cross multiply
    10,367.86x = 15,558.24 × 4,211.86
  4. Step 4: Simplify right side
    10,367.86x = 65,529,128.73
  5. Step 5: Solve for x
    x = 65,529,128.73/10,367.86
  6. Step 6: Final answer
    x = 6,320.41

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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.