Home / 10,369.12-15,556.32-3,443.44

Finding the Fourth Proportional to 10,369.12, 15,556.32 and 3,443.44

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Solution

The fourth proportional to 10,369.12, 15,556.32 and 3,443.44 is: 5,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.12 : 15,556.32 = 3,443.44 : x
  2. Step 2: Convert to fraction form
    10,369.12/15,556.32 = 3,443.44/x
  3. Step 3: Cross multiply
    10,369.12x = 15,556.32 × 3,443.44
  4. Step 4: Simplify right side
    10,369.12x = 53,567,254.54
  5. Step 5: Solve for x
    x = 53,567,254.54/10,369.12
  6. Step 6: Final answer
    x = 5,166.04

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1.5x scale

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.