Home / 11,467.15-15,825.30-8,629.41

Finding the Fourth Proportional to 11,467.15, 15,825.30 and 8,629.41

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Solution

The fourth proportional to 11,467.15, 15,825.30 and 8,629.41 is: 11,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.15 : 15,825.30 = 8,629.41 : x
  2. Step 2: Convert to fraction form
    11,467.15/15,825.30 = 8,629.41/x
  3. Step 3: Cross multiply
    11,467.15x = 15,825.30 × 8,629.41
  4. Step 4: Simplify right side
    11,467.15x = 136,563,002.07
  5. Step 5: Solve for x
    x = 136,563,002.07/11,467.15
  6. Step 6: Final answer
    x = 11,909.06

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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.