Home / 12,083.58-18,122.94-3,762.25

Finding the Fourth Proportional to 12,083.58, 18,122.94 and 3,762.25

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Solution

The fourth proportional to 12,083.58, 18,122.94 and 3,762.25 is: 5,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.58 : 18,122.94 = 3,762.25 : x
  2. Step 2: Convert to fraction form
    12,083.58/18,122.94 = 3,762.25/x
  3. Step 3: Cross multiply
    12,083.58x = 18,122.94 × 3,762.25
  4. Step 4: Simplify right side
    12,083.58x = 68,182,985.71
  5. Step 5: Solve for x
    x = 68,182,985.71/12,083.58
  6. Step 6: Final answer
    x = 5,642.61

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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.