Home / 11,825.07-16,316.82-6,789.51

Finding the Fourth Proportional to 11,825.07, 16,316.82 and 6,789.51

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Solution

The fourth proportional to 11,825.07, 16,316.82 and 6,789.51 is: 9,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.07 : 16,316.82 = 6,789.51 : x
  2. Step 2: Convert to fraction form
    11,825.07/16,316.82 = 6,789.51/x
  3. Step 3: Cross multiply
    11,825.07x = 16,316.82 × 6,789.51
  4. Step 4: Simplify right side
    11,825.07x = 110,783,212.56
  5. Step 5: Solve for x
    x = 110,783,212.56/11,825.07
  6. Step 6: Final answer
    x = 9,368.50

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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.