Home / 11,029.21-15,228.26-6,785.98

Finding the Fourth Proportional to 11,029.21, 15,228.26 and 6,785.98

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Solution

The fourth proportional to 11,029.21, 15,228.26 and 6,785.98 is: 9,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.21 : 15,228.26 = 6,785.98 : x
  2. Step 2: Convert to fraction form
    11,029.21/15,228.26 = 6,785.98/x
  3. Step 3: Cross multiply
    11,029.21x = 15,228.26 × 6,785.98
  4. Step 4: Simplify right side
    11,029.21x = 103,338,667.79
  5. Step 5: Solve for x
    x = 103,338,667.79/11,029.21
  6. Step 6: Final answer
    x = 9,369.54

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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.