Home / 12,467.05-18,690.73-6,223.62

Finding the Fourth Proportional to 12,467.05, 18,690.73 and 6,223.62

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Solution

The fourth proportional to 12,467.05, 18,690.73 and 6,223.62 is: 9,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.05 : 18,690.73 = 6,223.62 : x
  2. Step 2: Convert to fraction form
    12,467.05/18,690.73 = 6,223.62/x
  3. Step 3: Cross multiply
    12,467.05x = 18,690.73 × 6,223.62
  4. Step 4: Simplify right side
    12,467.05x = 116,323,985.48
  5. Step 5: Solve for x
    x = 116,323,985.48/12,467.05
  6. Step 6: Final answer
    x = 9,330.51

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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.