Home / 11,297.91-16,948.76-3,900.39

Finding the Fourth Proportional to 11,297.91, 16,948.76 and 3,900.39

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Solution

The fourth proportional to 11,297.91, 16,948.76 and 3,900.39 is: 5,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.91 : 16,948.76 = 3,900.39 : x
  2. Step 2: Convert to fraction form
    11,297.91/16,948.76 = 3,900.39/x
  3. Step 3: Cross multiply
    11,297.91x = 16,948.76 × 3,900.39
  4. Step 4: Simplify right side
    11,297.91x = 66,106,690.96
  5. Step 5: Solve for x
    x = 66,106,690.96/11,297.91
  6. Step 6: Final answer
    x = 5,851.23

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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.