Home / 10,745.15-16,111.94-3,247.68

Finding the Fourth Proportional to 10,745.15, 16,111.94 and 3,247.68

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Solution

The fourth proportional to 10,745.15, 16,111.94 and 3,247.68 is: 4,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.15 : 16,111.94 = 3,247.68 : x
  2. Step 2: Convert to fraction form
    10,745.15/16,111.94 = 3,247.68/x
  3. Step 3: Cross multiply
    10,745.15x = 16,111.94 × 3,247.68
  4. Step 4: Simplify right side
    10,745.15x = 52,326,409.06
  5. Step 5: Solve for x
    x = 52,326,409.06/10,745.15
  6. Step 6: Final answer
    x = 4,869.77

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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.