Home / 8,464.26-12,688.15-3,535.31

Finding the Fourth Proportional to 8,464.26, 12,688.15 and 3,535.31

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Solution

The fourth proportional to 8,464.26, 12,688.15 and 3,535.31 is: 5,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.26 : 12,688.15 = 3,535.31 : x
  2. Step 2: Convert to fraction form
    8,464.26/12,688.15 = 3,535.31/x
  3. Step 3: Cross multiply
    8,464.26x = 12,688.15 × 3,535.31
  4. Step 4: Simplify right side
    8,464.26x = 44,856,543.58
  5. Step 5: Solve for x
    x = 44,856,543.58/8,464.26
  6. Step 6: Final answer
    x = 5,299.52

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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.