Home / 10,505.04-15,736.92-6,113.28

Finding the Fourth Proportional to 10,505.04, 15,736.92 and 6,113.28

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Solution

The fourth proportional to 10,505.04, 15,736.92 and 6,113.28 is: 9,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.04 : 15,736.92 = 6,113.28 : x
  2. Step 2: Convert to fraction form
    10,505.04/15,736.92 = 6,113.28/x
  3. Step 3: Cross multiply
    10,505.04x = 15,736.92 × 6,113.28
  4. Step 4: Simplify right side
    10,505.04x = 96,204,198.30
  5. Step 5: Solve for x
    x = 96,204,198.30/10,505.04
  6. Step 6: Final answer
    x = 9,157.91

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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.