Home / 10,619.30-15,923.10-5,074.04

Finding the Fourth Proportional to 10,619.30, 15,923.10 and 5,074.04

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Solution

The fourth proportional to 10,619.30, 15,923.10 and 5,074.04 is: 7,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.30 : 15,923.10 = 5,074.04 : x
  2. Step 2: Convert to fraction form
    10,619.30/15,923.10 = 5,074.04/x
  3. Step 3: Cross multiply
    10,619.30x = 15,923.10 × 5,074.04
  4. Step 4: Simplify right side
    10,619.30x = 80,794,446.32
  5. Step 5: Solve for x
    x = 80,794,446.32/10,619.30
  6. Step 6: Final answer
    x = 7,608.26

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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.