Home / 10,156.78-15,237.44-3,583.02

Finding the Fourth Proportional to 10,156.78, 15,237.44 and 3,583.02

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Solution

The fourth proportional to 10,156.78, 15,237.44 and 3,583.02 is: 5,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.78 : 15,237.44 = 3,583.02 : x
  2. Step 2: Convert to fraction form
    10,156.78/15,237.44 = 3,583.02/x
  3. Step 3: Cross multiply
    10,156.78x = 15,237.44 × 3,583.02
  4. Step 4: Simplify right side
    10,156.78x = 54,596,052.27
  5. Step 5: Solve for x
    x = 54,596,052.27/10,156.78
  6. Step 6: Final answer
    x = 5,375.33

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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.