Home / 8,979.28-13,467.30-4,048

Finding the Fourth Proportional to 8,979.28, 13,467.30 and 4,048

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Solution

The fourth proportional to 8,979.28, 13,467.30 and 4,048 is: 6,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.28 : 13,467.30 = 4,048 : x
  2. Step 2: Convert to fraction form
    8,979.28/13,467.30 = 4,048/x
  3. Step 3: Cross multiply
    8,979.28x = 13,467.30 × 4,048
  4. Step 4: Simplify right side
    8,979.28x = 54,515,630.40
  5. Step 5: Solve for x
    x = 54,515,630.40/8,979.28
  6. Step 6: Final answer
    x = 6,071.27

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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.