Home / 11,570.21-17,355.32-3,673.56

Finding the Fourth Proportional to 11,570.21, 17,355.32 and 3,673.56

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Solution

The fourth proportional to 11,570.21, 17,355.32 and 3,673.56 is: 5,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.21 : 17,355.32 = 3,673.56 : x
  2. Step 2: Convert to fraction form
    11,570.21/17,355.32 = 3,673.56/x
  3. Step 3: Cross multiply
    11,570.21x = 17,355.32 × 3,673.56
  4. Step 4: Simplify right side
    11,570.21x = 63,755,869.83
  5. Step 5: Solve for x
    x = 63,755,869.83/11,570.21
  6. Step 6: Final answer
    x = 5,510.35

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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.