Home / 11,869.34-17,791.45-4,470.59

Finding the Fourth Proportional to 11,869.34, 17,791.45 and 4,470.59

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Solution

The fourth proportional to 11,869.34, 17,791.45 and 4,470.59 is: 6,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.34 : 17,791.45 = 4,470.59 : x
  2. Step 2: Convert to fraction form
    11,869.34/17,791.45 = 4,470.59/x
  3. Step 3: Cross multiply
    11,869.34x = 17,791.45 × 4,470.59
  4. Step 4: Simplify right side
    11,869.34x = 79,538,311.76
  5. Step 5: Solve for x
    x = 79,538,311.76/11,869.34
  6. Step 6: Final answer
    x = 6,701.16

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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.