Home / 10,047.88-15,072.18-3,474.28

Finding the Fourth Proportional to 10,047.88, 15,072.18 and 3,474.28

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Solution

The fourth proportional to 10,047.88, 15,072.18 and 3,474.28 is: 5,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.88 : 15,072.18 = 3,474.28 : x
  2. Step 2: Convert to fraction form
    10,047.88/15,072.18 = 3,474.28/x
  3. Step 3: Cross multiply
    10,047.88x = 15,072.18 × 3,474.28
  4. Step 4: Simplify right side
    10,047.88x = 52,364,973.53
  5. Step 5: Solve for x
    x = 52,364,973.53/10,047.88
  6. Step 6: Final answer
    x = 5,211.54

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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.