Home / 11,399.80-17,097.30-4,826.20

Finding the Fourth Proportional to 11,399.80, 17,097.30 and 4,826.20

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Solution

The fourth proportional to 11,399.80, 17,097.30 and 4,826.20 is: 7,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.80 : 17,097.30 = 4,826.20 : x
  2. Step 2: Convert to fraction form
    11,399.80/17,097.30 = 4,826.20/x
  3. Step 3: Cross multiply
    11,399.80x = 17,097.30 × 4,826.20
  4. Step 4: Simplify right side
    11,399.80x = 82,514,989.26
  5. Step 5: Solve for x
    x = 82,514,989.26/11,399.80
  6. Step 6: Final answer
    x = 7,238.28

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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.