Home / 7,964.82-11,956.47-4,274.28

Finding the Fourth Proportional to 7,964.82, 11,956.47 and 4,274.28

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Solution

The fourth proportional to 7,964.82, 11,956.47 and 4,274.28 is: 6,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.82 : 11,956.47 = 4,274.28 : x
  2. Step 2: Convert to fraction form
    7,964.82/11,956.47 = 4,274.28/x
  3. Step 3: Cross multiply
    7,964.82x = 11,956.47 × 4,274.28
  4. Step 4: Simplify right side
    7,964.82x = 51,105,300.59
  5. Step 5: Solve for x
    x = 51,105,300.59/7,964.82
  6. Step 6: Final answer
    x = 6,416.38

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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.