Home / 8,915.77-13,373.62-3,072.36

Finding the Fourth Proportional to 8,915.77, 13,373.62 and 3,072.36

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Solution

The fourth proportional to 8,915.77, 13,373.62 and 3,072.36 is: 4,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.77 : 13,373.62 = 3,072.36 : x
  2. Step 2: Convert to fraction form
    8,915.77/13,373.62 = 3,072.36/x
  3. Step 3: Cross multiply
    8,915.77x = 13,373.62 × 3,072.36
  4. Step 4: Simplify right side
    8,915.77x = 41,088,575.14
  5. Step 5: Solve for x
    x = 41,088,575.14/8,915.77
  6. Step 6: Final answer
    x = 4,608.53

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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.