Home / 8,759.52-13,129.44-5,763.36

Finding the Fourth Proportional to 8,759.52, 13,129.44 and 5,763.36

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Solution

The fourth proportional to 8,759.52, 13,129.44 and 5,763.36 is: 8,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.52 : 13,129.44 = 5,763.36 : x
  2. Step 2: Convert to fraction form
    8,759.52/13,129.44 = 5,763.36/x
  3. Step 3: Cross multiply
    8,759.52x = 13,129.44 × 5,763.36
  4. Step 4: Simplify right side
    8,759.52x = 75,669,689.32
  5. Step 5: Solve for x
    x = 75,669,689.32/8,759.52
  6. Step 6: Final answer
    x = 8,638.57

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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.