Home / 10,103.70-15,156.32-3,084.34

Finding the Fourth Proportional to 10,103.70, 15,156.32 and 3,084.34

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Solution

The fourth proportional to 10,103.70, 15,156.32 and 3,084.34 is: 4,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.70 : 15,156.32 = 3,084.34 : x
  2. Step 2: Convert to fraction form
    10,103.70/15,156.32 = 3,084.34/x
  3. Step 3: Cross multiply
    10,103.70x = 15,156.32 × 3,084.34
  4. Step 4: Simplify right side
    10,103.70x = 46,747,244.03
  5. Step 5: Solve for x
    x = 46,747,244.03/10,103.70
  6. Step 6: Final answer
    x = 4,626.75

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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.