Home / 11,825.26-16,318.66-6,520.57

Finding the Fourth Proportional to 11,825.26, 16,318.66 and 6,520.57

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Solution

The fourth proportional to 11,825.26, 16,318.66 and 6,520.57 is: 8,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.26 : 16,318.66 = 6,520.57 : x
  2. Step 2: Convert to fraction form
    11,825.26/16,318.66 = 6,520.57/x
  3. Step 3: Cross multiply
    11,825.26x = 16,318.66 × 6,520.57
  4. Step 4: Simplify right side
    11,825.26x = 106,406,964.84
  5. Step 5: Solve for x
    x = 106,406,964.84/11,825.26
  6. Step 6: Final answer
    x = 8,998.28

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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.