Home / 7,350.63-10,143.92-3,993.44

Finding the Fourth Proportional to 7,350.63, 10,143.92 and 3,993.44

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Solution

The fourth proportional to 7,350.63, 10,143.92 and 3,993.44 is: 5,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.63 : 10,143.92 = 3,993.44 : x
  2. Step 2: Convert to fraction form
    7,350.63/10,143.92 = 3,993.44/x
  3. Step 3: Cross multiply
    7,350.63x = 10,143.92 × 3,993.44
  4. Step 4: Simplify right side
    7,350.63x = 40,509,162.97
  5. Step 5: Solve for x
    x = 40,509,162.97/7,350.63
  6. Step 6: Final answer
    x = 5,510.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.