Home / 12,028.04-18,044.79-5,456.10

Finding the Fourth Proportional to 12,028.04, 18,044.79 and 5,456.10

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Solution

The fourth proportional to 12,028.04, 18,044.79 and 5,456.10 is: 8,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.04 : 18,044.79 = 5,456.10 : x
  2. Step 2: Convert to fraction form
    12,028.04/18,044.79 = 5,456.10/x
  3. Step 3: Cross multiply
    12,028.04x = 18,044.79 × 5,456.10
  4. Step 4: Simplify right side
    12,028.04x = 98,454,151.44
  5. Step 5: Solve for x
    x = 98,454,151.44/12,028.04
  6. Step 6: Final answer
    x = 8,185.39

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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.