Home / 10,745.86-16,109.60-4,176.76

Finding the Fourth Proportional to 10,745.86, 16,109.60 and 4,176.76

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Solution

The fourth proportional to 10,745.86, 16,109.60 and 4,176.76 is: 6,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.86 : 16,109.60 = 4,176.76 : x
  2. Step 2: Convert to fraction form
    10,745.86/16,109.60 = 4,176.76/x
  3. Step 3: Cross multiply
    10,745.86x = 16,109.60 × 4,176.76
  4. Step 4: Simplify right side
    10,745.86x = 67,285,932.90
  5. Step 5: Solve for x
    x = 67,285,932.90/10,745.86
  6. Step 6: Final answer
    x = 6,261.57

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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.