Home / 7,450.80-11,178.78-4,674.18

Finding the Fourth Proportional to 7,450.80, 11,178.78 and 4,674.18

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Solution

The fourth proportional to 7,450.80, 11,178.78 and 4,674.18 is: 7,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.80 : 11,178.78 = 4,674.18 : x
  2. Step 2: Convert to fraction form
    7,450.80/11,178.78 = 4,674.18/x
  3. Step 3: Cross multiply
    7,450.80x = 11,178.78 × 4,674.18
  4. Step 4: Simplify right side
    7,450.80x = 52,251,629.90
  5. Step 5: Solve for x
    x = 52,251,629.90/7,450.80
  6. Step 6: Final answer
    x = 7,012.89

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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.