Home / 10,121.44-15,184.32-3,548.02

Finding the Fourth Proportional to 10,121.44, 15,184.32 and 3,548.02

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Solution

The fourth proportional to 10,121.44, 15,184.32 and 3,548.02 is: 5,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.44 : 15,184.32 = 3,548.02 : x
  2. Step 2: Convert to fraction form
    10,121.44/15,184.32 = 3,548.02/x
  3. Step 3: Cross multiply
    10,121.44x = 15,184.32 × 3,548.02
  4. Step 4: Simplify right side
    10,121.44x = 53,874,271.05
  5. Step 5: Solve for x
    x = 53,874,271.05/10,121.44
  6. Step 6: Final answer
    x = 5,322.79

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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.