Home / 7,973.12-11,958.60-3,164.96

Finding the Fourth Proportional to 7,973.12, 11,958.60 and 3,164.96

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Solution

The fourth proportional to 7,973.12, 11,958.60 and 3,164.96 is: 4,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.12 : 11,958.60 = 3,164.96 : x
  2. Step 2: Convert to fraction form
    7,973.12/11,958.60 = 3,164.96/x
  3. Step 3: Cross multiply
    7,973.12x = 11,958.60 × 3,164.96
  4. Step 4: Simplify right side
    7,973.12x = 37,848,490.66
  5. Step 5: Solve for x
    x = 37,848,490.66/7,973.12
  6. Step 6: Final answer
    x = 4,747.01

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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.