Home / 10,047.90-15,072.53-3,474.60

Finding the Fourth Proportional to 10,047.90, 15,072.53 and 3,474.60

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Solution

The fourth proportional to 10,047.90, 15,072.53 and 3,474.60 is: 5,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.90 : 15,072.53 = 3,474.60 : x
  2. Step 2: Convert to fraction form
    10,047.90/15,072.53 = 3,474.60/x
  3. Step 3: Cross multiply
    10,047.90x = 15,072.53 × 3,474.60
  4. Step 4: Simplify right side
    10,047.90x = 52,370,958.39
  5. Step 5: Solve for x
    x = 52,370,958.39/10,047.90
  6. Step 6: Final answer
    x = 5,212.13

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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.