Home / 8,141.46-12,206.64-3,756.48

Finding the Fourth Proportional to 8,141.46, 12,206.64 and 3,756.48

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Solution

The fourth proportional to 8,141.46, 12,206.64 and 3,756.48 is: 5,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.46 : 12,206.64 = 3,756.48 : x
  2. Step 2: Convert to fraction form
    8,141.46/12,206.64 = 3,756.48/x
  3. Step 3: Cross multiply
    8,141.46x = 12,206.64 × 3,756.48
  4. Step 4: Simplify right side
    8,141.46x = 45,853,999.03
  5. Step 5: Solve for x
    x = 45,853,999.03/8,141.46
  6. Step 6: Final answer
    x = 5,632.16

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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.