Home / 8,979.96-13,467.06-2,974.93

Finding the Fourth Proportional to 8,979.96, 13,467.06 and 2,974.93

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Solution

The fourth proportional to 8,979.96, 13,467.06 and 2,974.93 is: 4,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.96 : 13,467.06 = 2,974.93 : x
  2. Step 2: Convert to fraction form
    8,979.96/13,467.06 = 2,974.93/x
  3. Step 3: Cross multiply
    8,979.96x = 13,467.06 × 2,974.93
  4. Step 4: Simplify right side
    8,979.96x = 40,063,527.14
  5. Step 5: Solve for x
    x = 40,063,527.14/8,979.96
  6. Step 6: Final answer
    x = 4,461.44

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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.