Home / 10,151.87-15,227.64-2,756.48

Finding the Fourth Proportional to 10,151.87, 15,227.64 and 2,756.48

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Solution

The fourth proportional to 10,151.87, 15,227.64 and 2,756.48 is: 4,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.87 : 15,227.64 = 2,756.48 : x
  2. Step 2: Convert to fraction form
    10,151.87/15,227.64 = 2,756.48/x
  3. Step 3: Cross multiply
    10,151.87x = 15,227.64 × 2,756.48
  4. Step 4: Simplify right side
    10,151.87x = 41,974,608.97
  5. Step 5: Solve for x
    x = 41,974,608.97/10,151.87
  6. Step 6: Final answer
    x = 4,134.67

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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.