Home / 8,091.69-12,139.26-4,583.36

Finding the Fourth Proportional to 8,091.69, 12,139.26 and 4,583.36

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Solution

The fourth proportional to 8,091.69, 12,139.26 and 4,583.36 is: 6,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.69 : 12,139.26 = 4,583.36 : x
  2. Step 2: Convert to fraction form
    8,091.69/12,139.26 = 4,583.36/x
  3. Step 3: Cross multiply
    8,091.69x = 12,139.26 × 4,583.36
  4. Step 4: Simplify right side
    8,091.69x = 55,638,538.02
  5. Step 5: Solve for x
    x = 55,638,538.02/8,091.69
  6. Step 6: Final answer
    x = 6,876.01

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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.