Home / 8,141.85-11,235.92-4,605.03

Finding the Fourth Proportional to 8,141.85, 11,235.92 and 4,605.03

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Solution

The fourth proportional to 8,141.85, 11,235.92 and 4,605.03 is: 6,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.85 : 11,235.92 = 4,605.03 : x
  2. Step 2: Convert to fraction form
    8,141.85/11,235.92 = 4,605.03/x
  3. Step 3: Cross multiply
    8,141.85x = 11,235.92 × 4,605.03
  4. Step 4: Simplify right side
    8,141.85x = 51,741,725.65
  5. Step 5: Solve for x
    x = 51,741,725.65/8,141.85
  6. Step 6: Final answer
    x = 6,355.03

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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.