Home / 7,350.27-10,143.45-3,993.11

Finding the Fourth Proportional to 7,350.27, 10,143.45 and 3,993.11

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Solution

The fourth proportional to 7,350.27, 10,143.45 and 3,993.11 is: 5,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.27 : 10,143.45 = 3,993.11 : x
  2. Step 2: Convert to fraction form
    7,350.27/10,143.45 = 3,993.11/x
  3. Step 3: Cross multiply
    7,350.27x = 10,143.45 × 3,993.11
  4. Step 4: Simplify right side
    7,350.27x = 40,503,927.01
  5. Step 5: Solve for x
    x = 40,503,927.01/7,350.27
  6. Step 6: Final answer
    x = 5,510.53

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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.