Home / 11,764.48-17,647.44-3,972.64

Finding the Fourth Proportional to 11,764.48, 17,647.44 and 3,972.64

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Solution

The fourth proportional to 11,764.48, 17,647.44 and 3,972.64 is: 5,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.48 : 17,647.44 = 3,972.64 : x
  2. Step 2: Convert to fraction form
    11,764.48/17,647.44 = 3,972.64/x
  3. Step 3: Cross multiply
    11,764.48x = 17,647.44 × 3,972.64
  4. Step 4: Simplify right side
    11,764.48x = 70,106,926.04
  5. Step 5: Solve for x
    x = 70,106,926.04/11,764.48
  6. Step 6: Final answer
    x = 5,959.20

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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.