Home / 12,047.08-18,080.36-6,205.36

Finding the Fourth Proportional to 12,047.08, 18,080.36 and 6,205.36

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Solution

The fourth proportional to 12,047.08, 18,080.36 and 6,205.36 is: 9,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.08 : 18,080.36 = 6,205.36 : x
  2. Step 2: Convert to fraction form
    12,047.08/18,080.36 = 6,205.36/x
  3. Step 3: Cross multiply
    12,047.08x = 18,080.36 × 6,205.36
  4. Step 4: Simplify right side
    12,047.08x = 112,195,142.73
  5. Step 5: Solve for x
    x = 112,195,142.73/12,047.08
  6. Step 6: Final answer
    x = 9,313.06

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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.