Home / 7,450.80-11,176.20-7,341.45

Finding the Fourth Proportional to 7,450.80, 11,176.20 and 7,341.45

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Solution

The fourth proportional to 7,450.80, 11,176.20 and 7,341.45 is: 11,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.80 : 11,176.20 = 7,341.45 : x
  2. Step 2: Convert to fraction form
    7,450.80/11,176.20 = 7,341.45/x
  3. Step 3: Cross multiply
    7,450.80x = 11,176.20 × 7,341.45
  4. Step 4: Simplify right side
    7,450.80x = 82,049,513.49
  5. Step 5: Solve for x
    x = 82,049,513.49/7,450.80
  6. Step 6: Final answer
    x = 11,012.18

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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.