Home / 11,677.02-17,515.26-3,885.90

Finding the Fourth Proportional to 11,677.02, 17,515.26 and 3,885.90

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Solution

The fourth proportional to 11,677.02, 17,515.26 and 3,885.90 is: 5,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.02 : 17,515.26 = 3,885.90 : x
  2. Step 2: Convert to fraction form
    11,677.02/17,515.26 = 3,885.90/x
  3. Step 3: Cross multiply
    11,677.02x = 17,515.26 × 3,885.90
  4. Step 4: Simplify right side
    11,677.02x = 68,062,548.83
  5. Step 5: Solve for x
    x = 68,062,548.83/11,677.02
  6. Step 6: Final answer
    x = 5,828.76

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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.