Home / 7,482.06-11,221.52-2,217.12

Finding the Fourth Proportional to 7,482.06, 11,221.52 and 2,217.12

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Solution

The fourth proportional to 7,482.06, 11,221.52 and 2,217.12 is: 3,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.06 : 11,221.52 = 2,217.12 : x
  2. Step 2: Convert to fraction form
    7,482.06/11,221.52 = 2,217.12/x
  3. Step 3: Cross multiply
    7,482.06x = 11,221.52 × 2,217.12
  4. Step 4: Simplify right side
    7,482.06x = 24,879,441.05
  5. Step 5: Solve for x
    x = 24,879,441.05/7,482.06
  6. Step 6: Final answer
    x = 3,325.21

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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.