Home / 10,662.14-15,993.30-4,086.75

Finding the Fourth Proportional to 10,662.14, 15,993.30 and 4,086.75

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Solution

The fourth proportional to 10,662.14, 15,993.30 and 4,086.75 is: 6,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.14 : 15,993.30 = 4,086.75 : x
  2. Step 2: Convert to fraction form
    10,662.14/15,993.30 = 4,086.75/x
  3. Step 3: Cross multiply
    10,662.14x = 15,993.30 × 4,086.75
  4. Step 4: Simplify right side
    10,662.14x = 65,360,618.78
  5. Step 5: Solve for x
    x = 65,360,618.78/10,662.14
  6. Step 6: Final answer
    x = 6,130.16

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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.