Home / 11,825.62-16,318.80-6,786.34

Finding the Fourth Proportional to 11,825.62, 16,318.80 and 6,786.34

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Solution

The fourth proportional to 11,825.62, 16,318.80 and 6,786.34 is: 9,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.62 : 16,318.80 = 6,786.34 : x
  2. Step 2: Convert to fraction form
    11,825.62/16,318.80 = 6,786.34/x
  3. Step 3: Cross multiply
    11,825.62x = 16,318.80 × 6,786.34
  4. Step 4: Simplify right side
    11,825.62x = 110,744,925.19
  5. Step 5: Solve for x
    x = 110,744,925.19/11,825.62
  6. Step 6: Final answer
    x = 9,364.83

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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.