Home / 7,766.92-10,718.44-4,230.16

Finding the Fourth Proportional to 7,766.92, 10,718.44 and 4,230.16

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Solution

The fourth proportional to 7,766.92, 10,718.44 and 4,230.16 is: 5,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.92 : 10,718.44 = 4,230.16 : x
  2. Step 2: Convert to fraction form
    7,766.92/10,718.44 = 4,230.16/x
  3. Step 3: Cross multiply
    7,766.92x = 10,718.44 × 4,230.16
  4. Step 4: Simplify right side
    7,766.92x = 45,340,716.15
  5. Step 5: Solve for x
    x = 45,340,716.15/7,766.92
  6. Step 6: Final answer
    x = 5,837.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.