Home / 7,971.27-11,956.77-3,585.63

Finding the Fourth Proportional to 7,971.27, 11,956.77 and 3,585.63

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Solution

The fourth proportional to 7,971.27, 11,956.77 and 3,585.63 is: 5,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.27 : 11,956.77 = 3,585.63 : x
  2. Step 2: Convert to fraction form
    7,971.27/11,956.77 = 3,585.63/x
  3. Step 3: Cross multiply
    7,971.27x = 11,956.77 × 3,585.63
  4. Step 4: Simplify right side
    7,971.27x = 42,872,553.22
  5. Step 5: Solve for x
    x = 42,872,553.22/7,971.27
  6. Step 6: Final answer
    x = 5,378.38

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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.