Home / 11,931.95-17,890.83-4,536.97

Finding the Fourth Proportional to 11,931.95, 17,890.83 and 4,536.97

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Solution

The fourth proportional to 11,931.95, 17,890.83 and 4,536.97 is: 6,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.95 : 17,890.83 = 4,536.97 : x
  2. Step 2: Convert to fraction form
    11,931.95/17,890.83 = 4,536.97/x
  3. Step 3: Cross multiply
    11,931.95x = 17,890.83 × 4,536.97
  4. Step 4: Simplify right side
    11,931.95x = 81,170,114.26
  5. Step 5: Solve for x
    x = 81,170,114.26/11,931.95
  6. Step 6: Final answer
    x = 6,802.75

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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.