Home / 8,922.26-13,391.69-4,543

Finding the Fourth Proportional to 8,922.26, 13,391.69 and 4,543

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Solution

The fourth proportional to 8,922.26, 13,391.69 and 4,543 is: 6,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.26 : 13,391.69 = 4,543 : x
  2. Step 2: Convert to fraction form
    8,922.26/13,391.69 = 4,543/x
  3. Step 3: Cross multiply
    8,922.26x = 13,391.69 × 4,543
  4. Step 4: Simplify right side
    8,922.26x = 60,838,447.67
  5. Step 5: Solve for x
    x = 60,838,447.67/8,922.26
  6. Step 6: Final answer
    x = 6,818.73

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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.