Home / 7,708.18-11,563.56-2,709.26

Finding the Fourth Proportional to 7,708.18, 11,563.56 and 2,709.26

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Solution

The fourth proportional to 7,708.18, 11,563.56 and 2,709.26 is: 4,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.18 : 11,563.56 = 2,709.26 : x
  2. Step 2: Convert to fraction form
    7,708.18/11,563.56 = 2,709.26/x
  3. Step 3: Cross multiply
    7,708.18x = 11,563.56 × 2,709.26
  4. Step 4: Simplify right side
    7,708.18x = 31,328,690.57
  5. Step 5: Solve for x
    x = 31,328,690.57/7,708.18
  6. Step 6: Final answer
    x = 4,064.34

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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.