Home / 7,516.31-11,271.21-3,568.71

Finding the Fourth Proportional to 7,516.31, 11,271.21 and 3,568.71

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Solution

The fourth proportional to 7,516.31, 11,271.21 and 3,568.71 is: 5,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.31 : 11,271.21 = 3,568.71 : x
  2. Step 2: Convert to fraction form
    7,516.31/11,271.21 = 3,568.71/x
  3. Step 3: Cross multiply
    7,516.31x = 11,271.21 × 3,568.71
  4. Step 4: Simplify right side
    7,516.31x = 40,223,624.19
  5. Step 5: Solve for x
    x = 40,223,624.19/7,516.31
  6. Step 6: Final answer
    x = 5,351.51

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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.