Home / 11,673.09-17,509.80-3,881.91

Finding the Fourth Proportional to 11,673.09, 17,509.80 and 3,881.91

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Solution

The fourth proportional to 11,673.09, 17,509.80 and 3,881.91 is: 5,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.09 : 17,509.80 = 3,881.91 : x
  2. Step 2: Convert to fraction form
    11,673.09/17,509.80 = 3,881.91/x
  3. Step 3: Cross multiply
    11,673.09x = 17,509.80 × 3,881.91
  4. Step 4: Simplify right side
    11,673.09x = 67,971,467.72
  5. Step 5: Solve for x
    x = 67,971,467.72/11,673.09
  6. Step 6: Final answer
    x = 5,822.92

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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.