Home / 10,940.13-16,412.63-3,149.55

Finding the Fourth Proportional to 10,940.13, 16,412.63 and 3,149.55

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Solution

The fourth proportional to 10,940.13, 16,412.63 and 3,149.55 is: 4,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.13 : 16,412.63 = 3,149.55 : x
  2. Step 2: Convert to fraction form
    10,940.13/16,412.63 = 3,149.55/x
  3. Step 3: Cross multiply
    10,940.13x = 16,412.63 × 3,149.55
  4. Step 4: Simplify right side
    10,940.13x = 51,692,383.07
  5. Step 5: Solve for x
    x = 51,692,383.07/10,940.13
  6. Step 6: Final answer
    x = 4,725.02

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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.