Home / 6,745.19-10,116.55-1,813.67

Finding the Fourth Proportional to 6,745.19, 10,116.55 and 1,813.67

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Solution

The fourth proportional to 6,745.19, 10,116.55 and 1,813.67 is: 2,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.19 : 10,116.55 = 1,813.67 : x
  2. Step 2: Convert to fraction form
    6,745.19/10,116.55 = 1,813.67/x
  3. Step 3: Cross multiply
    6,745.19x = 10,116.55 × 1,813.67
  4. Step 4: Simplify right side
    6,745.19x = 18,348,074.17
  5. Step 5: Solve for x
    x = 18,348,074.17/6,745.19
  6. Step 6: Final answer
    x = 2,720.17

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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.