Home / 7,395.72-11,103.30-5,205.48

Finding the Fourth Proportional to 7,395.72, 11,103.30 and 5,205.48

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Solution

The fourth proportional to 7,395.72, 11,103.30 and 5,205.48 is: 7,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.72 : 11,103.30 = 5,205.48 : x
  2. Step 2: Convert to fraction form
    7,395.72/11,103.30 = 5,205.48/x
  3. Step 3: Cross multiply
    7,395.72x = 11,103.30 × 5,205.48
  4. Step 4: Simplify right side
    7,395.72x = 57,798,006.08
  5. Step 5: Solve for x
    x = 57,798,006.08/7,395.72
  6. Step 6: Final answer
    x = 7,815.06

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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.