Home / 12,542.04-18,817.92-4,749.03

Finding the Fourth Proportional to 12,542.04, 18,817.92 and 4,749.03

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Solution

The fourth proportional to 12,542.04, 18,817.92 and 4,749.03 is: 7,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.04 : 18,817.92 = 4,749.03 : x
  2. Step 2: Convert to fraction form
    12,542.04/18,817.92 = 4,749.03/x
  3. Step 3: Cross multiply
    12,542.04x = 18,817.92 × 4,749.03
  4. Step 4: Simplify right side
    12,542.04x = 89,366,866.62
  5. Step 5: Solve for x
    x = 89,366,866.62/12,542.04
  6. Step 6: Final answer
    x = 7,125.39

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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.