Home / 11,483.76-17,223.36-3,161.62

Finding the Fourth Proportional to 11,483.76, 17,223.36 and 3,161.62

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Solution

The fourth proportional to 11,483.76, 17,223.36 and 3,161.62 is: 4,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.76 : 17,223.36 = 3,161.62 : x
  2. Step 2: Convert to fraction form
    11,483.76/17,223.36 = 3,161.62/x
  3. Step 3: Cross multiply
    11,483.76x = 17,223.36 × 3,161.62
  4. Step 4: Simplify right side
    11,483.76x = 54,453,719.44
  5. Step 5: Solve for x
    x = 54,453,719.44/11,483.76
  6. Step 6: Final answer
    x = 4,741.80

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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.