Home / 7,045.38-9,711.36-5,550.84

Finding the Fourth Proportional to 7,045.38, 9,711.36 and 5,550.84

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Solution

The fourth proportional to 7,045.38, 9,711.36 and 5,550.84 is: 7,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.38 : 9,711.36 = 5,550.84 : x
  2. Step 2: Convert to fraction form
    7,045.38/9,711.36 = 5,550.84/x
  3. Step 3: Cross multiply
    7,045.38x = 9,711.36 × 5,550.84
  4. Step 4: Simplify right side
    7,045.38x = 53,906,205.54
  5. Step 5: Solve for x
    x = 53,906,205.54/7,045.38
  6. Step 6: Final answer
    x = 7,651.28

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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.