Home / 11,745.34-17,620.32-4,349.86

Finding the Fourth Proportional to 11,745.34, 17,620.32 and 4,349.86

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Solution

The fourth proportional to 11,745.34, 17,620.32 and 4,349.86 is: 6,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.34 : 17,620.32 = 4,349.86 : x
  2. Step 2: Convert to fraction form
    11,745.34/17,620.32 = 4,349.86/x
  3. Step 3: Cross multiply
    11,745.34x = 17,620.32 × 4,349.86
  4. Step 4: Simplify right side
    11,745.34x = 76,645,925.16
  5. Step 5: Solve for x
    x = 76,645,925.16/11,745.34
  6. Step 6: Final answer
    x = 6,525.65

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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.