Home / 7,971.14-11,956.21-2,705.74

Finding the Fourth Proportional to 7,971.14, 11,956.21 and 2,705.74

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Solution

The fourth proportional to 7,971.14, 11,956.21 and 2,705.74 is: 4,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.14 : 11,956.21 = 2,705.74 : x
  2. Step 2: Convert to fraction form
    7,971.14/11,956.21 = 2,705.74/x
  3. Step 3: Cross multiply
    7,971.14x = 11,956.21 × 2,705.74
  4. Step 4: Simplify right side
    7,971.14x = 32,350,358.99
  5. Step 5: Solve for x
    x = 32,350,358.99/7,971.14
  6. Step 6: Final answer
    x = 4,058.43

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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.