Home / 12,042.52-18,048.72-5,801.36

Finding the Fourth Proportional to 12,042.52, 18,048.72 and 5,801.36

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Solution

The fourth proportional to 12,042.52, 18,048.72 and 5,801.36 is: 8,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.52 : 18,048.72 = 5,801.36 : x
  2. Step 2: Convert to fraction form
    12,042.52/18,048.72 = 5,801.36/x
  3. Step 3: Cross multiply
    12,042.52x = 18,048.72 × 5,801.36
  4. Step 4: Simplify right side
    12,042.52x = 104,707,122.26
  5. Step 5: Solve for x
    x = 104,707,122.26/12,042.52
  6. Step 6: Final answer
    x = 8,694.79

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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.