Home / 7,654.39-11,482.20-2,108.18

Finding the Fourth Proportional to 7,654.39, 11,482.20 and 2,108.18

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Solution

The fourth proportional to 7,654.39, 11,482.20 and 2,108.18 is: 3,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.39 : 11,482.20 = 2,108.18 : x
  2. Step 2: Convert to fraction form
    7,654.39/11,482.20 = 2,108.18/x
  3. Step 3: Cross multiply
    7,654.39x = 11,482.20 × 2,108.18
  4. Step 4: Simplify right side
    7,654.39x = 24,206,544.40
  5. Step 5: Solve for x
    x = 24,206,544.40/7,654.39
  6. Step 6: Final answer
    x = 3,162.44

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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.