Home / 11,948.22-17,915.76-9,167.94

Finding the Fourth Proportional to 11,948.22, 17,915.76 and 9,167.94

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Solution

The fourth proportional to 11,948.22, 17,915.76 and 9,167.94 is: 13,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.22 : 17,915.76 = 9,167.94 : x
  2. Step 2: Convert to fraction form
    11,948.22/17,915.76 = 9,167.94/x
  3. Step 3: Cross multiply
    11,948.22x = 17,915.76 × 9,167.94
  4. Step 4: Simplify right side
    11,948.22x = 164,250,612.73
  5. Step 5: Solve for x
    x = 164,250,612.73/11,948.22
  6. Step 6: Final answer
    x = 13,746.87

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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.