Home / 12,271.76-18,397.38-5,694.56

Finding the Fourth Proportional to 12,271.76, 18,397.38 and 5,694.56

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Solution

The fourth proportional to 12,271.76, 18,397.38 and 5,694.56 is: 8,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.76 : 18,397.38 = 5,694.56 : x
  2. Step 2: Convert to fraction form
    12,271.76/18,397.38 = 5,694.56/x
  3. Step 3: Cross multiply
    12,271.76x = 18,397.38 × 5,694.56
  4. Step 4: Simplify right side
    12,271.76x = 104,764,984.25
  5. Step 5: Solve for x
    x = 104,764,984.25/12,271.76
  6. Step 6: Final answer
    x = 8,537.08

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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.