Home / 12,029.36-18,043.80-4,238.24

Finding the Fourth Proportional to 12,029.36, 18,043.80 and 4,238.24

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Solution

The fourth proportional to 12,029.36, 18,043.80 and 4,238.24 is: 6,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.36 : 18,043.80 = 4,238.24 : x
  2. Step 2: Convert to fraction form
    12,029.36/18,043.80 = 4,238.24/x
  3. Step 3: Cross multiply
    12,029.36x = 18,043.80 × 4,238.24
  4. Step 4: Simplify right side
    12,029.36x = 76,473,954.91
  5. Step 5: Solve for x
    x = 76,473,954.91/12,029.36
  6. Step 6: Final answer
    x = 6,357.28

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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.