Home / 8,467.25-11,682.28-5,478.35

Finding the Fourth Proportional to 8,467.25, 11,682.28 and 5,478.35

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Solution

The fourth proportional to 8,467.25, 11,682.28 and 5,478.35 is: 7,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.25 : 11,682.28 = 5,478.35 : x
  2. Step 2: Convert to fraction form
    8,467.25/11,682.28 = 5,478.35/x
  3. Step 3: Cross multiply
    8,467.25x = 11,682.28 × 5,478.35
  4. Step 4: Simplify right side
    8,467.25x = 63,999,634.15
  5. Step 5: Solve for x
    x = 63,999,634.15/8,467.25
  6. Step 6: Final answer
    x = 7,558.49

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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.