Home / 6,666.53-9,996.43-2,222.62

Finding the Fourth Proportional to 6,666.53, 9,996.43 and 2,222.62

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Solution

The fourth proportional to 6,666.53, 9,996.43 and 2,222.62 is: 3,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.53 : 9,996.43 = 2,222.62 : x
  2. Step 2: Convert to fraction form
    6,666.53/9,996.43 = 2,222.62/x
  3. Step 3: Cross multiply
    6,666.53x = 9,996.43 × 2,222.62
  4. Step 4: Simplify right side
    6,666.53x = 22,218,265.25
  5. Step 5: Solve for x
    x = 22,218,265.25/6,666.53
  6. Step 6: Final answer
    x = 3,332.81

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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.