Home / 12,223.53-18,332.46-3,904.29

Finding the Fourth Proportional to 12,223.53, 18,332.46 and 3,904.29

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Solution

The fourth proportional to 12,223.53, 18,332.46 and 3,904.29 is: 5,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.53 : 18,332.46 = 3,904.29 : x
  2. Step 2: Convert to fraction form
    12,223.53/18,332.46 = 3,904.29/x
  3. Step 3: Cross multiply
    12,223.53x = 18,332.46 × 3,904.29
  4. Step 4: Simplify right side
    12,223.53x = 71,575,240.25
  5. Step 5: Solve for x
    x = 71,575,240.25/12,223.53
  6. Step 6: Final answer
    x = 5,855.53

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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.