Home / 11,825.66-16,319.00-6,520.43

Finding the Fourth Proportional to 11,825.66, 16,319.00 and 6,520.43

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Solution

The fourth proportional to 11,825.66, 16,319.00 and 6,520.43 is: 8,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.66 : 16,319.00 = 6,520.43 : x
  2. Step 2: Convert to fraction form
    11,825.66/16,319.00 = 6,520.43/x
  3. Step 3: Cross multiply
    11,825.66x = 16,319.00 × 6,520.43
  4. Step 4: Simplify right side
    11,825.66x = 106,406,782.97
  5. Step 5: Solve for x
    x = 106,406,782.97/11,825.66
  6. Step 6: Final answer
    x = 8,997.96

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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.