Home / 11,825.22-16,318.90-6,520.22

Finding the Fourth Proportional to 11,825.22, 16,318.90 and 6,520.22

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Solution

The fourth proportional to 11,825.22, 16,318.90 and 6,520.22 is: 8,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.22 : 16,318.90 = 6,520.22 : x
  2. Step 2: Convert to fraction form
    11,825.22/16,318.90 = 6,520.22/x
  3. Step 3: Cross multiply
    11,825.22x = 16,318.90 × 6,520.22
  4. Step 4: Simplify right side
    11,825.22x = 106,402,818.16
  5. Step 5: Solve for x
    x = 106,402,818.16/11,825.22
  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.