Home / 11,709.48-17,565.36-3,389.31

Finding the Fourth Proportional to 11,709.48, 17,565.36 and 3,389.31

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Solution

The fourth proportional to 11,709.48, 17,565.36 and 3,389.31 is: 5,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.48 : 17,565.36 = 3,389.31 : x
  2. Step 2: Convert to fraction form
    11,709.48/17,565.36 = 3,389.31/x
  3. Step 3: Cross multiply
    11,709.48x = 17,565.36 × 3,389.31
  4. Step 4: Simplify right side
    11,709.48x = 59,534,450.30
  5. Step 5: Solve for x
    x = 59,534,450.30/11,709.48
  6. Step 6: Final answer
    x = 5,084.29

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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.