Home / 12,722.91-19,077.45-3,837.03

Finding the Fourth Proportional to 12,722.91, 19,077.45 and 3,837.03

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Solution

The fourth proportional to 12,722.91, 19,077.45 and 3,837.03 is: 5,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.91 : 19,077.45 = 3,837.03 : x
  2. Step 2: Convert to fraction form
    12,722.91/19,077.45 = 3,837.03/x
  3. Step 3: Cross multiply
    12,722.91x = 19,077.45 × 3,837.03
  4. Step 4: Simplify right side
    12,722.91x = 73,200,747.97
  5. Step 5: Solve for x
    x = 73,200,747.97/12,722.91
  6. Step 6: Final answer
    x = 5,753.46

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1.5x scale

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.