Home / 11,782.08-17,675.28-3,885.06

Finding the Fourth Proportional to 11,782.08, 17,675.28 and 3,885.06

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Solution

The fourth proportional to 11,782.08, 17,675.28 and 3,885.06 is: 5,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.08 : 17,675.28 = 3,885.06 : x
  2. Step 2: Convert to fraction form
    11,782.08/17,675.28 = 3,885.06/x
  3. Step 3: Cross multiply
    11,782.08x = 17,675.28 × 3,885.06
  4. Step 4: Simplify right side
    11,782.08x = 68,669,523.32
  5. Step 5: Solve for x
    x = 68,669,523.32/11,782.08
  6. Step 6: Final answer
    x = 5,828.30

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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.