Home / 12,223.44-18,332.55-3,458.43

Finding the Fourth Proportional to 12,223.44, 18,332.55 and 3,458.43

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Solution

The fourth proportional to 12,223.44, 18,332.55 and 3,458.43 is: 5,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.44 : 18,332.55 = 3,458.43 : x
  2. Step 2: Convert to fraction form
    12,223.44/18,332.55 = 3,458.43/x
  3. Step 3: Cross multiply
    12,223.44x = 18,332.55 × 3,458.43
  4. Step 4: Simplify right side
    12,223.44x = 63,401,840.90
  5. Step 5: Solve for x
    x = 63,401,840.90/12,223.44
  6. Step 6: Final answer
    x = 5,186.91

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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.