Home / 8,266.50-12,388.01-3,332.79

Finding the Fourth Proportional to 8,266.50, 12,388.01 and 3,332.79

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Solution

The fourth proportional to 8,266.50, 12,388.01 and 3,332.79 is: 4,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.50 : 12,388.01 = 3,332.79 : x
  2. Step 2: Convert to fraction form
    8,266.50/12,388.01 = 3,332.79/x
  3. Step 3: Cross multiply
    8,266.50x = 12,388.01 × 3,332.79
  4. Step 4: Simplify right side
    8,266.50x = 41,286,619.18
  5. Step 5: Solve for x
    x = 41,286,619.18/8,266.50
  6. Step 6: Final answer
    x = 4,994.45

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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.