Home / 10,364.38-15,546.36-3,788.80

Finding the Fourth Proportional to 10,364.38, 15,546.36 and 3,788.80

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Solution

The fourth proportional to 10,364.38, 15,546.36 and 3,788.80 is: 5,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.38 : 15,546.36 = 3,788.80 : x
  2. Step 2: Convert to fraction form
    10,364.38/15,546.36 = 3,788.80/x
  3. Step 3: Cross multiply
    10,364.38x = 15,546.36 × 3,788.80
  4. Step 4: Simplify right side
    10,364.38x = 58,902,048.77
  5. Step 5: Solve for x
    x = 58,902,048.77/10,364.38
  6. Step 6: Final answer
    x = 5,683.12

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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.