Home / 10,745.20-16,110.60-4,898.80

Finding the Fourth Proportional to 10,745.20, 16,110.60 and 4,898.80

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Solution

The fourth proportional to 10,745.20, 16,110.60 and 4,898.80 is: 7,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.20 : 16,110.60 = 4,898.80 : x
  2. Step 2: Convert to fraction form
    10,745.20/16,110.60 = 4,898.80/x
  3. Step 3: Cross multiply
    10,745.20x = 16,110.60 × 4,898.80
  4. Step 4: Simplify right side
    10,745.20x = 78,922,607.28
  5. Step 5: Solve for x
    x = 78,922,607.28/10,745.20
  6. Step 6: Final answer
    x = 7,344.92

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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.