Home / 11,776.14-17,666.64-3,984.84

Finding the Fourth Proportional to 11,776.14, 17,666.64 and 3,984.84

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Solution

The fourth proportional to 11,776.14, 17,666.64 and 3,984.84 is: 5,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.14 : 17,666.64 = 3,984.84 : x
  2. Step 2: Convert to fraction form
    11,776.14/17,666.64 = 3,984.84/x
  3. Step 3: Cross multiply
    11,776.14x = 17,666.64 × 3,984.84
  4. Step 4: Simplify right side
    11,776.14x = 70,398,733.74
  5. Step 5: Solve for x
    x = 70,398,733.74/11,776.14
  6. Step 6: Final answer
    x = 5,978.08

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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.