Home / 11,829.03-16,323.51-6,789.70

Finding the Fourth Proportional to 11,829.03, 16,323.51 and 6,789.70

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Solution

The fourth proportional to 11,829.03, 16,323.51 and 6,789.70 is: 9,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.03 : 16,323.51 = 6,789.70 : x
  2. Step 2: Convert to fraction form
    11,829.03/16,323.51 = 6,789.70/x
  3. Step 3: Cross multiply
    11,829.03x = 16,323.51 × 6,789.70
  4. Step 4: Simplify right side
    11,829.03x = 110,831,735.85
  5. Step 5: Solve for x
    x = 110,831,735.85/11,829.03
  6. Step 6: Final answer
    x = 9,369.47

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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.