Home / 6,786.80-10,172.46-2,624.66

Finding the Fourth Proportional to 6,786.80, 10,172.46 and 2,624.66

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Solution

The fourth proportional to 6,786.80, 10,172.46 and 2,624.66 is: 3,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.80 : 10,172.46 = 2,624.66 : x
  2. Step 2: Convert to fraction form
    6,786.80/10,172.46 = 2,624.66/x
  3. Step 3: Cross multiply
    6,786.80x = 10,172.46 × 2,624.66
  4. Step 4: Simplify right side
    6,786.80x = 26,699,248.86
  5. Step 5: Solve for x
    x = 26,699,248.86/6,786.80
  6. Step 6: Final answer
    x = 3,934.00

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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.