Home / 12,220.32-18,324.33-5,970.97

Finding the Fourth Proportional to 12,220.32, 18,324.33 and 5,970.97

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Solution

The fourth proportional to 12,220.32, 18,324.33 and 5,970.97 is: 8,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220.32 : 18,324.33 = 5,970.97 : x
  2. Step 2: Convert to fraction form
    12,220.32/18,324.33 = 5,970.97/x
  3. Step 3: Cross multiply
    12,220.32x = 18,324.33 × 5,970.97
  4. Step 4: Simplify right side
    12,220.32x = 109,413,922.14
  5. Step 5: Solve for x
    x = 109,413,922.14/12,220.32
  6. Step 6: Final answer
    x = 8,953.44

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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.