Home / 12,504.16-18,758.94-3,739.84

Finding the Fourth Proportional to 12,504.16, 18,758.94 and 3,739.84

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Solution

The fourth proportional to 12,504.16, 18,758.94 and 3,739.84 is: 5,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.16 : 18,758.94 = 3,739.84 : x
  2. Step 2: Convert to fraction form
    12,504.16/18,758.94 = 3,739.84/x
  3. Step 3: Cross multiply
    12,504.16x = 18,758.94 × 3,739.84
  4. Step 4: Simplify right side
    12,504.16x = 70,155,434.17
  5. Step 5: Solve for x
    x = 70,155,434.17/12,504.16
  6. Step 6: Final answer
    x = 5,610.57

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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.