Home / 8,922.72-13,392.38-4,543.45

Finding the Fourth Proportional to 8,922.72, 13,392.38 and 4,543.45

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Solution

The fourth proportional to 8,922.72, 13,392.38 and 4,543.45 is: 6,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.72 : 13,392.38 = 4,543.45 : x
  2. Step 2: Convert to fraction form
    8,922.72/13,392.38 = 4,543.45/x
  3. Step 3: Cross multiply
    8,922.72x = 13,392.38 × 4,543.45
  4. Step 4: Simplify right side
    8,922.72x = 60,847,608.91
  5. Step 5: Solve for x
    x = 60,847,608.91/8,922.72
  6. Step 6: Final answer
    x = 6,819.40

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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.