Home / 10,047.80-15,072.32-2,652.26

Finding the Fourth Proportional to 10,047.80, 15,072.32 and 2,652.26

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Solution

The fourth proportional to 10,047.80, 15,072.32 and 2,652.26 is: 3,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.80 : 15,072.32 = 2,652.26 : x
  2. Step 2: Convert to fraction form
    10,047.80/15,072.32 = 2,652.26/x
  3. Step 3: Cross multiply
    10,047.80x = 15,072.32 × 2,652.26
  4. Step 4: Simplify right side
    10,047.80x = 39,975,711.44
  5. Step 5: Solve for x
    x = 39,975,711.44/10,047.80
  6. Step 6: Final answer
    x = 3,978.55

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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.