Home / 7,390.55-10,198.77-4,246.67

Finding the Fourth Proportional to 7,390.55, 10,198.77 and 4,246.67

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Solution

The fourth proportional to 7,390.55, 10,198.77 and 4,246.67 is: 5,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.55 : 10,198.77 = 4,246.67 : x
  2. Step 2: Convert to fraction form
    7,390.55/10,198.77 = 4,246.67/x
  3. Step 3: Cross multiply
    7,390.55x = 10,198.77 × 4,246.67
  4. Step 4: Simplify right side
    7,390.55x = 43,310,810.60
  5. Step 5: Solve for x
    x = 43,310,810.60/7,390.55
  6. Step 6: Final answer
    x = 5,860.30

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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.