Home / 10,119.33-15,180.62-4,275.99

Finding the Fourth Proportional to 10,119.33, 15,180.62 and 4,275.99

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Solution

The fourth proportional to 10,119.33, 15,180.62 and 4,275.99 is: 6,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.33 : 15,180.62 = 4,275.99 : x
  2. Step 2: Convert to fraction form
    10,119.33/15,180.62 = 4,275.99/x
  3. Step 3: Cross multiply
    10,119.33x = 15,180.62 × 4,275.99
  4. Step 4: Simplify right side
    10,119.33x = 64,912,157.93
  5. Step 5: Solve for x
    x = 64,912,157.93/10,119.33
  6. Step 6: Final answer
    x = 6,414.67

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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.