Home / 11,278.50-16,917.48-4,704.54

Finding the Fourth Proportional to 11,278.50, 16,917.48 and 4,704.54

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Solution

The fourth proportional to 11,278.50, 16,917.48 and 4,704.54 is: 7,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.50 : 16,917.48 = 4,704.54 : x
  2. Step 2: Convert to fraction form
    11,278.50/16,917.48 = 4,704.54/x
  3. Step 3: Cross multiply
    11,278.50x = 16,917.48 × 4,704.54
  4. Step 4: Simplify right side
    11,278.50x = 79,588,961.36
  5. Step 5: Solve for x
    x = 79,588,961.36/11,278.50
  6. Step 6: Final answer
    x = 7,056.70

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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.