Home / 11,715.48-17,573.22-4,789.98

Finding the Fourth Proportional to 11,715.48, 17,573.22 and 4,789.98

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Solution

The fourth proportional to 11,715.48, 17,573.22 and 4,789.98 is: 7,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.48 : 17,573.22 = 4,789.98 : x
  2. Step 2: Convert to fraction form
    11,715.48/17,573.22 = 4,789.98/x
  3. Step 3: Cross multiply
    11,715.48x = 17,573.22 × 4,789.98
  4. Step 4: Simplify right side
    11,715.48x = 84,175,284.47
  5. Step 5: Solve for x
    x = 84,175,284.47/11,715.48
  6. Step 6: Final answer
    x = 7,184.97

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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.