Home / 10,757.80-16,136.70-7,258.60

Finding the Fourth Proportional to 10,757.80, 16,136.70 and 7,258.60

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Solution

The fourth proportional to 10,757.80, 16,136.70 and 7,258.60 is: 10,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.80 : 16,136.70 = 7,258.60 : x
  2. Step 2: Convert to fraction form
    10,757.80/16,136.70 = 7,258.60/x
  3. Step 3: Cross multiply
    10,757.80x = 16,136.70 × 7,258.60
  4. Step 4: Simplify right side
    10,757.80x = 117,129,850.62
  5. Step 5: Solve for x
    x = 117,129,850.62/10,757.80
  6. Step 6: Final answer
    x = 10,887.90

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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.