Home / 7,973.19-11,961.24-2,636.68

Finding the Fourth Proportional to 7,973.19, 11,961.24 and 2,636.68

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Solution

The fourth proportional to 7,973.19, 11,961.24 and 2,636.68 is: 3,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.19 : 11,961.24 = 2,636.68 : x
  2. Step 2: Convert to fraction form
    7,973.19/11,961.24 = 2,636.68/x
  3. Step 3: Cross multiply
    7,973.19x = 11,961.24 × 2,636.68
  4. Step 4: Simplify right side
    7,973.19x = 31,537,917.43
  5. Step 5: Solve for x
    x = 31,537,917.43/7,973.19
  6. Step 6: Final answer
    x = 3,955.49

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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.