Home / 11,926.71-17,875.49-4,126.41

Finding the Fourth Proportional to 11,926.71, 17,875.49 and 4,126.41

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Solution

The fourth proportional to 11,926.71, 17,875.49 and 4,126.41 is: 6,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.71 : 17,875.49 = 4,126.41 : x
  2. Step 2: Convert to fraction form
    11,926.71/17,875.49 = 4,126.41/x
  3. Step 3: Cross multiply
    11,926.71x = 17,875.49 × 4,126.41
  4. Step 4: Simplify right side
    11,926.71x = 73,761,580.06
  5. Step 5: Solve for x
    x = 73,761,580.06/11,926.71
  6. Step 6: Final answer
    x = 6,184.57

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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.