Home / 11,913.21-17,871.66-6,066.63

Finding the Fourth Proportional to 11,913.21, 17,871.66 and 6,066.63

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Solution

The fourth proportional to 11,913.21, 17,871.66 and 6,066.63 is: 9,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.21 : 17,871.66 = 6,066.63 : x
  2. Step 2: Convert to fraction form
    11,913.21/17,871.66 = 6,066.63/x
  3. Step 3: Cross multiply
    11,913.21x = 17,871.66 × 6,066.63
  4. Step 4: Simplify right side
    11,913.21x = 108,420,748.71
  5. Step 5: Solve for x
    x = 108,420,748.71/11,913.21
  6. Step 6: Final answer
    x = 9,100.88

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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.