Home / 12,813.09-19,219.52-4,048.00

Finding the Fourth Proportional to 12,813.09, 19,219.52 and 4,048.00

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Solution

The fourth proportional to 12,813.09, 19,219.52 and 4,048.00 is: 6,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.09 : 19,219.52 = 4,048.00 : x
  2. Step 2: Convert to fraction form
    12,813.09/19,219.52 = 4,048.00/x
  3. Step 3: Cross multiply
    12,813.09x = 19,219.52 × 4,048.00
  4. Step 4: Simplify right side
    12,813.09x = 77,800,604.62
  5. Step 5: Solve for x
    x = 77,800,604.62/12,813.09
  6. Step 6: Final answer
    x = 6,071.96

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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.