Home / 11,412.56-17,115.44-4,838.64

Finding the Fourth Proportional to 11,412.56, 17,115.44 and 4,838.64

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Solution

The fourth proportional to 11,412.56, 17,115.44 and 4,838.64 is: 7,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.56 : 17,115.44 = 4,838.64 : x
  2. Step 2: Convert to fraction form
    11,412.56/17,115.44 = 4,838.64/x
  3. Step 3: Cross multiply
    11,412.56x = 17,115.44 × 4,838.64
  4. Step 4: Simplify right side
    11,412.56x = 82,815,452.60
  5. Step 5: Solve for x
    x = 82,815,452.60/11,412.56
  6. Step 6: Final answer
    x = 7,256.52

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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.