Home / 7,395.48-11,072.10-5,638.44

Finding the Fourth Proportional to 7,395.48, 11,072.10 and 5,638.44

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Solution

The fourth proportional to 7,395.48, 11,072.10 and 5,638.44 is: 8,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.48 : 11,072.10 = 5,638.44 : x
  2. Step 2: Convert to fraction form
    7,395.48/11,072.10 = 5,638.44/x
  3. Step 3: Cross multiply
    7,395.48x = 11,072.10 × 5,638.44
  4. Step 4: Simplify right side
    7,395.48x = 62,429,371.52
  5. Step 5: Solve for x
    x = 62,429,371.52/7,395.48
  6. Step 6: Final answer
    x = 8,441.56

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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.