Home / 8,343.52-12,519.59-3,666.81

Finding the Fourth Proportional to 8,343.52, 12,519.59 and 3,666.81

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Solution

The fourth proportional to 8,343.52, 12,519.59 and 3,666.81 is: 5,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.52 : 12,519.59 = 3,666.81 : x
  2. Step 2: Convert to fraction form
    8,343.52/12,519.59 = 3,666.81/x
  3. Step 3: Cross multiply
    8,343.52x = 12,519.59 × 3,666.81
  4. Step 4: Simplify right side
    8,343.52x = 45,906,936.63
  5. Step 5: Solve for x
    x = 45,906,936.63/8,343.52
  6. Step 6: Final answer
    x = 5,502.11

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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.