Home / 10,743.44-16,100.04-8,542.40

Finding the Fourth Proportional to 10,743.44, 16,100.04 and 8,542.40

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Solution

The fourth proportional to 10,743.44, 16,100.04 and 8,542.40 is: 12,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.44 : 16,100.04 = 8,542.40 : x
  2. Step 2: Convert to fraction form
    10,743.44/16,100.04 = 8,542.40/x
  3. Step 3: Cross multiply
    10,743.44x = 16,100.04 × 8,542.40
  4. Step 4: Simplify right side
    10,743.44x = 137,532,981.70
  5. Step 5: Solve for x
    x = 137,532,981.70/10,743.44
  6. Step 6: Final answer
    x = 12,801.58

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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.