Home / 11,722.93-17,584.54-3,931.74

Finding the Fourth Proportional to 11,722.93, 17,584.54 and 3,931.74

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Solution

The fourth proportional to 11,722.93, 17,584.54 and 3,931.74 is: 5,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.93 : 17,584.54 = 3,931.74 : x
  2. Step 2: Convert to fraction form
    11,722.93/17,584.54 = 3,931.74/x
  3. Step 3: Cross multiply
    11,722.93x = 17,584.54 × 3,931.74
  4. Step 4: Simplify right side
    11,722.93x = 69,137,851.59
  5. Step 5: Solve for x
    x = 69,137,851.59/11,722.93
  6. Step 6: Final answer
    x = 5,897.66

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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.