Home / 7,963.51-11,947.29-4,679.36

Finding the Fourth Proportional to 7,963.51, 11,947.29 and 4,679.36

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Solution

The fourth proportional to 7,963.51, 11,947.29 and 4,679.36 is: 7,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.51 : 11,947.29 = 4,679.36 : x
  2. Step 2: Convert to fraction form
    7,963.51/11,947.29 = 4,679.36/x
  3. Step 3: Cross multiply
    7,963.51x = 11,947.29 × 4,679.36
  4. Step 4: Simplify right side
    7,963.51x = 55,905,647.54
  5. Step 5: Solve for x
    x = 55,905,647.54/7,963.51
  6. Step 6: Final answer
    x = 7,020.23

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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.