Home / 12,184.77-18,279.36-3,751.11

Finding the Fourth Proportional to 12,184.77, 18,279.36 and 3,751.11

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Solution

The fourth proportional to 12,184.77, 18,279.36 and 3,751.11 is: 5,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.77 : 18,279.36 = 3,751.11 : x
  2. Step 2: Convert to fraction form
    12,184.77/18,279.36 = 3,751.11/x
  3. Step 3: Cross multiply
    12,184.77x = 18,279.36 × 3,751.11
  4. Step 4: Simplify right side
    12,184.77x = 68,567,890.09
  5. Step 5: Solve for x
    x = 68,567,890.09/12,184.77
  6. Step 6: Final answer
    x = 5,627.34

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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.