Home / 11,927.50-17,885.46-3,605.92

Finding the Fourth Proportional to 11,927.50, 17,885.46 and 3,605.92

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Solution

The fourth proportional to 11,927.50, 17,885.46 and 3,605.92 is: 5,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.50 : 17,885.46 = 3,605.92 : x
  2. Step 2: Convert to fraction form
    11,927.50/17,885.46 = 3,605.92/x
  3. Step 3: Cross multiply
    11,927.50x = 17,885.46 × 3,605.92
  4. Step 4: Simplify right side
    11,927.50x = 64,493,537.92
  5. Step 5: Solve for x
    x = 64,493,537.92/11,927.50
  6. Step 6: Final answer
    x = 5,407.13

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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.