Home / 12,031.02-18,033.84-4,131.09

Finding the Fourth Proportional to 12,031.02, 18,033.84 and 4,131.09

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Solution

The fourth proportional to 12,031.02, 18,033.84 and 4,131.09 is: 6,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.02 : 18,033.84 = 4,131.09 : x
  2. Step 2: Convert to fraction form
    12,031.02/18,033.84 = 4,131.09/x
  3. Step 3: Cross multiply
    12,031.02x = 18,033.84 × 4,131.09
  4. Step 4: Simplify right side
    12,031.02x = 74,499,416.09
  5. Step 5: Solve for x
    x = 74,499,416.09/12,031.02
  6. Step 6: Final answer
    x = 6,192.28

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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.