Home / 11,197.71-16,784.85-4,174.66

Finding the Fourth Proportional to 11,197.71, 16,784.85 and 4,174.66

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Solution

The fourth proportional to 11,197.71, 16,784.85 and 4,174.66 is: 6,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.71 : 16,784.85 = 4,174.66 : x
  2. Step 2: Convert to fraction form
    11,197.71/16,784.85 = 4,174.66/x
  3. Step 3: Cross multiply
    11,197.71x = 16,784.85 × 4,174.66
  4. Step 4: Simplify right side
    11,197.71x = 70,071,090.52
  5. Step 5: Solve for x
    x = 70,071,090.52/11,197.71
  6. Step 6: Final answer
    x = 6,257.63

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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.