Home / 12,741.79-19,106.56-5,344.27

Finding the Fourth Proportional to 12,741.79, 19,106.56 and 5,344.27

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Solution

The fourth proportional to 12,741.79, 19,106.56 and 5,344.27 is: 8,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.79 : 19,106.56 = 5,344.27 : x
  2. Step 2: Convert to fraction form
    12,741.79/19,106.56 = 5,344.27/x
  3. Step 3: Cross multiply
    12,741.79x = 19,106.56 × 5,344.27
  4. Step 4: Simplify right side
    12,741.79x = 102,110,615.41
  5. Step 5: Solve for x
    x = 102,110,615.41/12,741.79
  6. Step 6: Final answer
    x = 8,013.84

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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.