Home / 7,390.13-10,198.38-4,246.92

Finding the Fourth Proportional to 7,390.13, 10,198.38 and 4,246.92

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Solution

The fourth proportional to 7,390.13, 10,198.38 and 4,246.92 is: 5,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.13 : 10,198.38 = 4,246.92 : x
  2. Step 2: Convert to fraction form
    7,390.13/10,198.38 = 4,246.92/x
  3. Step 3: Cross multiply
    7,390.13x = 10,198.38 × 4,246.92
  4. Step 4: Simplify right side
    7,390.13x = 43,311,703.99
  5. Step 5: Solve for x
    x = 43,311,703.99/7,390.13
  6. Step 6: Final answer
    x = 5,860.75

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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.