Home / 11,675.74-17,509.28-3,776.21

Finding the Fourth Proportional to 11,675.74, 17,509.28 and 3,776.21

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Solution

The fourth proportional to 11,675.74, 17,509.28 and 3,776.21 is: 5,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.74 : 17,509.28 = 3,776.21 : x
  2. Step 2: Convert to fraction form
    11,675.74/17,509.28 = 3,776.21/x
  3. Step 3: Cross multiply
    11,675.74x = 17,509.28 × 3,776.21
  4. Step 4: Simplify right side
    11,675.74x = 66,118,660.32
  5. Step 5: Solve for x
    x = 66,118,660.32/11,675.74
  6. Step 6: Final answer
    x = 5,662.91

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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.