Home / 7,707.16-11,562.36-2,516.68

Finding the Fourth Proportional to 7,707.16, 11,562.36 and 2,516.68

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Solution

The fourth proportional to 7,707.16, 11,562.36 and 2,516.68 is: 3,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.16 : 11,562.36 = 2,516.68 : x
  2. Step 2: Convert to fraction form
    7,707.16/11,562.36 = 2,516.68/x
  3. Step 3: Cross multiply
    7,707.16x = 11,562.36 × 2,516.68
  4. Step 4: Simplify right side
    7,707.16x = 29,098,760.16
  5. Step 5: Solve for x
    x = 29,098,760.16/7,707.16
  6. Step 6: Final answer
    x = 3,775.55

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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.