Home / 10,346.07-15,519.39-3,326.79

Finding the Fourth Proportional to 10,346.07, 15,519.39 and 3,326.79

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Solution

The fourth proportional to 10,346.07, 15,519.39 and 3,326.79 is: 4,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.07 : 15,519.39 = 3,326.79 : x
  2. Step 2: Convert to fraction form
    10,346.07/15,519.39 = 3,326.79/x
  3. Step 3: Cross multiply
    10,346.07x = 15,519.39 × 3,326.79
  4. Step 4: Simplify right side
    10,346.07x = 51,629,792.32
  5. Step 5: Solve for x
    x = 51,629,792.32/10,346.07
  6. Step 6: Final answer
    x = 4,990.28

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1.5x scale

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.