Home / 11,467.80-15,826.46-6,433.15

Finding the Fourth Proportional to 11,467.80, 15,826.46 and 6,433.15

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Solution

The fourth proportional to 11,467.80, 15,826.46 and 6,433.15 is: 8,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.80 : 15,826.46 = 6,433.15 : x
  2. Step 2: Convert to fraction form
    11,467.80/15,826.46 = 6,433.15/x
  3. Step 3: Cross multiply
    11,467.80x = 15,826.46 × 6,433.15
  4. Step 4: Simplify right side
    11,467.80x = 101,813,991.15
  5. Step 5: Solve for x
    x = 101,813,991.15/11,467.80
  6. Step 6: Final answer
    x = 8,878.25

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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.