Home / 6,935.12-10,396.92-4,740.80

Finding the Fourth Proportional to 6,935.12, 10,396.92 and 4,740.80

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Solution

The fourth proportional to 6,935.12, 10,396.92 and 4,740.80 is: 7,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.12 : 10,396.92 = 4,740.80 : x
  2. Step 2: Convert to fraction form
    6,935.12/10,396.92 = 4,740.80/x
  3. Step 3: Cross multiply
    6,935.12x = 10,396.92 × 4,740.80
  4. Step 4: Simplify right side
    6,935.12x = 49,289,718.34
  5. Step 5: Solve for x
    x = 49,289,718.34/6,935.12
  6. Step 6: Final answer
    x = 7,107.26

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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.