Home / 8,917.19-13,375.85-2,343.36

Finding the Fourth Proportional to 8,917.19, 13,375.85 and 2,343.36

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Solution

The fourth proportional to 8,917.19, 13,375.85 and 2,343.36 is: 3,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.19 : 13,375.85 = 2,343.36 : x
  2. Step 2: Convert to fraction form
    8,917.19/13,375.85 = 2,343.36/x
  3. Step 3: Cross multiply
    8,917.19x = 13,375.85 × 2,343.36
  4. Step 4: Simplify right side
    8,917.19x = 31,344,420.14
  5. Step 5: Solve for x
    x = 31,344,420.14/8,917.19
  6. Step 6: Final answer
    x = 3,515.06

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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.