Home / 11,889.22-17,835.57-3,569.90

Finding the Fourth Proportional to 11,889.22, 17,835.57 and 3,569.90

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Solution

The fourth proportional to 11,889.22, 17,835.57 and 3,569.90 is: 5,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.22 : 17,835.57 = 3,569.90 : x
  2. Step 2: Convert to fraction form
    11,889.22/17,835.57 = 3,569.90/x
  3. Step 3: Cross multiply
    11,889.22x = 17,835.57 × 3,569.90
  4. Step 4: Simplify right side
    11,889.22x = 63,671,201.34
  5. Step 5: Solve for x
    x = 63,671,201.34/11,889.22
  6. Step 6: Final answer
    x = 5,355.37

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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.