Home / 8,511.50-11,745.36-4,734.47

Finding the Fourth Proportional to 8,511.50, 11,745.36 and 4,734.47

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Solution

The fourth proportional to 8,511.50, 11,745.36 and 4,734.47 is: 6,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.50 : 11,745.36 = 4,734.47 : x
  2. Step 2: Convert to fraction form
    8,511.50/11,745.36 = 4,734.47/x
  3. Step 3: Cross multiply
    8,511.50x = 11,745.36 × 4,734.47
  4. Step 4: Simplify right side
    8,511.50x = 55,608,083.92
  5. Step 5: Solve for x
    x = 55,608,083.92/8,511.50
  6. Step 6: Final answer
    x = 6,533.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.