Home / 11,235.85-16,853.77-3,443.65

Finding the Fourth Proportional to 11,235.85, 16,853.77 and 3,443.65

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Solution

The fourth proportional to 11,235.85, 16,853.77 and 3,443.65 is: 5,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.85 : 16,853.77 = 3,443.65 : x
  2. Step 2: Convert to fraction form
    11,235.85/16,853.77 = 3,443.65/x
  3. Step 3: Cross multiply
    11,235.85x = 16,853.77 × 3,443.65
  4. Step 4: Simplify right side
    11,235.85x = 58,038,485.06
  5. Step 5: Solve for x
    x = 58,038,485.06/11,235.85
  6. Step 6: Final answer
    x = 5,165.47

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Half scale
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Similar ratio
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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.