Home / 11,865.69-16,374.14-6,826.48

Finding the Fourth Proportional to 11,865.69, 16,374.14 and 6,826.48

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Solution

The fourth proportional to 11,865.69, 16,374.14 and 6,826.48 is: 9,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.69 : 16,374.14 = 6,826.48 : x
  2. Step 2: Convert to fraction form
    11,865.69/16,374.14 = 6,826.48/x
  3. Step 3: Cross multiply
    11,865.69x = 16,374.14 × 6,826.48
  4. Step 4: Simplify right side
    11,865.69x = 111,777,739.23
  5. Step 5: Solve for x
    x = 111,777,739.23/11,865.69
  6. Step 6: Final answer
    x = 9,420.25

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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.