Home / 7,550.25-11,289.33-6,888.56

Finding the Fourth Proportional to 7,550.25, 11,289.33 and 6,888.56

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Solution

The fourth proportional to 7,550.25, 11,289.33 and 6,888.56 is: 10,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.25 : 11,289.33 = 6,888.56 : x
  2. Step 2: Convert to fraction form
    7,550.25/11,289.33 = 6,888.56/x
  3. Step 3: Cross multiply
    7,550.25x = 11,289.33 × 6,888.56
  4. Step 4: Simplify right side
    7,550.25x = 77,767,170.62
  5. Step 5: Solve for x
    x = 77,767,170.62/7,550.25
  6. Step 6: Final answer
    x = 10,299.95

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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.