Home / 11,830.37-17,745.47-4,429.58

Finding the Fourth Proportional to 11,830.37, 17,745.47 and 4,429.58

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Solution

The fourth proportional to 11,830.37, 17,745.47 and 4,429.58 is: 6,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.37 : 17,745.47 = 4,429.58 : x
  2. Step 2: Convert to fraction form
    11,830.37/17,745.47 = 4,429.58/x
  3. Step 3: Cross multiply
    11,830.37x = 17,745.47 × 4,429.58
  4. Step 4: Simplify right side
    11,830.37x = 78,604,884.74
  5. Step 5: Solve for x
    x = 78,604,884.74/11,830.37
  6. Step 6: Final answer
    x = 6,644.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.