Home / 10,482.38-15,723.56-3,556.88

Finding the Fourth Proportional to 10,482.38, 15,723.56 and 3,556.88

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Solution

The fourth proportional to 10,482.38, 15,723.56 and 3,556.88 is: 5,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.38 : 15,723.56 = 3,556.88 : x
  2. Step 2: Convert to fraction form
    10,482.38/15,723.56 = 3,556.88/x
  3. Step 3: Cross multiply
    10,482.38x = 15,723.56 × 3,556.88
  4. Step 4: Simplify right side
    10,482.38x = 55,926,816.09
  5. Step 5: Solve for x
    x = 55,926,816.09/10,482.38
  6. Step 6: Final answer
    x = 5,335.32

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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.