Home / 11,105.33-15,323.85-6,324.71

Finding the Fourth Proportional to 11,105.33, 15,323.85 and 6,324.71

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Solution

The fourth proportional to 11,105.33, 15,323.85 and 6,324.71 is: 8,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.33 : 15,323.85 = 6,324.71 : x
  2. Step 2: Convert to fraction form
    11,105.33/15,323.85 = 6,324.71/x
  3. Step 3: Cross multiply
    11,105.33x = 15,323.85 × 6,324.71
  4. Step 4: Simplify right side
    11,105.33x = 96,918,830.71
  5. Step 5: Solve for x
    x = 96,918,830.71/11,105.33
  6. Step 6: Final answer
    x = 8,727.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.