Home / 10,954.25-16,445.49-9,404.21

Finding the Fourth Proportional to 10,954.25, 16,445.49 and 9,404.21

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Solution

The fourth proportional to 10,954.25, 16,445.49 and 9,404.21 is: 14,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.25 : 16,445.49 = 9,404.21 : x
  2. Step 2: Convert to fraction form
    10,954.25/16,445.49 = 9,404.21/x
  3. Step 3: Cross multiply
    10,954.25x = 16,445.49 × 9,404.21
  4. Step 4: Simplify right side
    10,954.25x = 154,656,759.29
  5. Step 5: Solve for x
    x = 154,656,759.29/10,954.25
  6. Step 6: Final answer
    x = 14,118.43

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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.