Home / 10,482.05-15,718.46-5,550.54

Finding the Fourth Proportional to 10,482.05, 15,718.46 and 5,550.54

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Solution

The fourth proportional to 10,482.05, 15,718.46 and 5,550.54 is: 8,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.05 : 15,718.46 = 5,550.54 : x
  2. Step 2: Convert to fraction form
    10,482.05/15,718.46 = 5,550.54/x
  3. Step 3: Cross multiply
    10,482.05x = 15,718.46 × 5,550.54
  4. Step 4: Simplify right side
    10,482.05x = 87,245,940.97
  5. Step 5: Solve for x
    x = 87,245,940.97/10,482.05
  6. Step 6: Final answer
    x = 8,323.37

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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.