Home / 8,972.64-13,453.52-3,426.39

Finding the Fourth Proportional to 8,972.64, 13,453.52 and 3,426.39

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Solution

The fourth proportional to 8,972.64, 13,453.52 and 3,426.39 is: 5,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.64 : 13,453.52 = 3,426.39 : x
  2. Step 2: Convert to fraction form
    8,972.64/13,453.52 = 3,426.39/x
  3. Step 3: Cross multiply
    8,972.64x = 13,453.52 × 3,426.39
  4. Step 4: Simplify right side
    8,972.64x = 46,096,989.26
  5. Step 5: Solve for x
    x = 46,096,989.26/8,972.64
  6. Step 6: Final answer
    x = 5,137.51

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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.