Home / 6,328.11-8,735.12-3,810.34

Finding the Fourth Proportional to 6,328.11, 8,735.12 and 3,810.34

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Solution

The fourth proportional to 6,328.11, 8,735.12 and 3,810.34 is: 5,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.11 : 8,735.12 = 3,810.34 : x
  2. Step 2: Convert to fraction form
    6,328.11/8,735.12 = 3,810.34/x
  3. Step 3: Cross multiply
    6,328.11x = 8,735.12 × 3,810.34
  4. Step 4: Simplify right side
    6,328.11x = 33,283,758.09
  5. Step 5: Solve for x
    x = 33,283,758.09/6,328.11
  6. Step 6: Final answer
    x = 5,259.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.