Home / 12,017.37-18,028.13-5,356.24

Finding the Fourth Proportional to 12,017.37, 18,028.13 and 5,356.24

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Solution

The fourth proportional to 12,017.37, 18,028.13 and 5,356.24 is: 8,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.37 : 18,028.13 = 5,356.24 : x
  2. Step 2: Convert to fraction form
    12,017.37/18,028.13 = 5,356.24/x
  3. Step 3: Cross multiply
    12,017.37x = 18,028.13 × 5,356.24
  4. Step 4: Simplify right side
    12,017.37x = 96,562,959.35
  5. Step 5: Solve for x
    x = 96,562,959.35/12,017.37
  6. Step 6: Final answer
    x = 8,035.28

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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.