Home / 10,662.48-15,993.75-4,090.68

Finding the Fourth Proportional to 10,662.48, 15,993.75 and 4,090.68

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Solution

The fourth proportional to 10,662.48, 15,993.75 and 4,090.68 is: 6,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.48 : 15,993.75 = 4,090.68 : x
  2. Step 2: Convert to fraction form
    10,662.48/15,993.75 = 4,090.68/x
  3. Step 3: Cross multiply
    10,662.48x = 15,993.75 × 4,090.68
  4. Step 4: Simplify right side
    10,662.48x = 65,425,313.25
  5. Step 5: Solve for x
    x = 65,425,313.25/10,662.48
  6. Step 6: Final answer
    x = 6,136.03

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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.