Home / 12,004.52-17,995.88-4,209.08

Finding the Fourth Proportional to 12,004.52, 17,995.88 and 4,209.08

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Solution

The fourth proportional to 12,004.52, 17,995.88 and 4,209.08 is: 6,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.52 : 17,995.88 = 4,209.08 : x
  2. Step 2: Convert to fraction form
    12,004.52/17,995.88 = 4,209.08/x
  3. Step 3: Cross multiply
    12,004.52x = 17,995.88 × 4,209.08
  4. Step 4: Simplify right side
    12,004.52x = 75,745,987.57
  5. Step 5: Solve for x
    x = 75,745,987.57/12,004.52
  6. Step 6: Final answer
    x = 6,309.79

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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.