Home / 11,303.24-16,951.61-3,905.78

Finding the Fourth Proportional to 11,303.24, 16,951.61 and 3,905.78

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Solution

The fourth proportional to 11,303.24, 16,951.61 and 3,905.78 is: 5,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.24 : 16,951.61 = 3,905.78 : x
  2. Step 2: Convert to fraction form
    11,303.24/16,951.61 = 3,905.78/x
  3. Step 3: Cross multiply
    11,303.24x = 16,951.61 × 3,905.78
  4. Step 4: Simplify right side
    11,303.24x = 66,209,155.02
  5. Step 5: Solve for x
    x = 66,209,155.02/11,303.24
  6. Step 6: Final answer
    x = 5,857.54

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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.