Home / 13,188.96-19,791.36-4,867.56

Finding the Fourth Proportional to 13,188.96, 19,791.36 and 4,867.56

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Solution

The fourth proportional to 13,188.96, 19,791.36 and 4,867.56 is: 7,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.96 : 19,791.36 = 4,867.56 : x
  2. Step 2: Convert to fraction form
    13,188.96/19,791.36 = 4,867.56/x
  3. Step 3: Cross multiply
    13,188.96x = 19,791.36 × 4,867.56
  4. Step 4: Simplify right side
    13,188.96x = 96,335,632.28
  5. Step 5: Solve for x
    x = 96,335,632.28/13,188.96
  6. Step 6: Final answer
    x = 7,304.26

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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.