Home / 8,981.91-13,467.57-3,435.66

Finding the Fourth Proportional to 8,981.91, 13,467.57 and 3,435.66

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Solution

The fourth proportional to 8,981.91, 13,467.57 and 3,435.66 is: 5,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.91 : 13,467.57 = 3,435.66 : x
  2. Step 2: Convert to fraction form
    8,981.91/13,467.57 = 3,435.66/x
  3. Step 3: Cross multiply
    8,981.91x = 13,467.57 × 3,435.66
  4. Step 4: Simplify right side
    8,981.91x = 46,269,924.21
  5. Step 5: Solve for x
    x = 46,269,924.21/8,981.91
  6. Step 6: Final answer
    x = 5,151.46

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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.