Home / 10,080.93-13,912.79-5,774.43

Finding the Fourth Proportional to 10,080.93, 13,912.79 and 5,774.43

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Solution

The fourth proportional to 10,080.93, 13,912.79 and 5,774.43 is: 7,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.93 : 13,912.79 = 5,774.43 : x
  2. Step 2: Convert to fraction form
    10,080.93/13,912.79 = 5,774.43/x
  3. Step 3: Cross multiply
    10,080.93x = 13,912.79 × 5,774.43
  4. Step 4: Simplify right side
    10,080.93x = 80,338,403.09
  5. Step 5: Solve for x
    x = 80,338,403.09/10,080.93
  6. Step 6: Final answer
    x = 7,969.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.