Home / 11,915.03-17,869.12-4,799.25

Finding the Fourth Proportional to 11,915.03, 17,869.12 and 4,799.25

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Solution

The fourth proportional to 11,915.03, 17,869.12 and 4,799.25 is: 7,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.03 : 17,869.12 = 4,799.25 : x
  2. Step 2: Convert to fraction form
    11,915.03/17,869.12 = 4,799.25/x
  3. Step 3: Cross multiply
    11,915.03x = 17,869.12 × 4,799.25
  4. Step 4: Simplify right side
    11,915.03x = 85,758,389.16
  5. Step 5: Solve for x
    x = 85,758,389.16/11,915.03
  6. Step 6: Final answer
    x = 7,197.50

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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.