Home / 7,482.06-11,223.51-3,321.09

Finding the Fourth Proportional to 7,482.06, 11,223.51 and 3,321.09

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Solution

The fourth proportional to 7,482.06, 11,223.51 and 3,321.09 is: 4,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.06 : 11,223.51 = 3,321.09 : x
  2. Step 2: Convert to fraction form
    7,482.06/11,223.51 = 3,321.09/x
  3. Step 3: Cross multiply
    7,482.06x = 11,223.51 × 3,321.09
  4. Step 4: Simplify right side
    7,482.06x = 37,274,286.83
  5. Step 5: Solve for x
    x = 37,274,286.83/7,482.06
  6. Step 6: Final answer
    x = 4,981.82

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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.