Home / 10,618.22-15,929.64-3,223.24

Finding the Fourth Proportional to 10,618.22, 15,929.64 and 3,223.24

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Solution

The fourth proportional to 10,618.22, 15,929.64 and 3,223.24 is: 4,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.22 : 15,929.64 = 3,223.24 : x
  2. Step 2: Convert to fraction form
    10,618.22/15,929.64 = 3,223.24/x
  3. Step 3: Cross multiply
    10,618.22x = 15,929.64 × 3,223.24
  4. Step 4: Simplify right side
    10,618.22x = 51,345,013.01
  5. Step 5: Solve for x
    x = 51,345,013.01/10,618.22
  6. Step 6: Final answer
    x = 4,835.56

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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.