Home / 10,338.26-15,482.78-5,651.28

Finding the Fourth Proportional to 10,338.26, 15,482.78 and 5,651.28

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Solution

The fourth proportional to 10,338.26, 15,482.78 and 5,651.28 is: 8,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.26 : 15,482.78 = 5,651.28 : x
  2. Step 2: Convert to fraction form
    10,338.26/15,482.78 = 5,651.28/x
  3. Step 3: Cross multiply
    10,338.26x = 15,482.78 × 5,651.28
  4. Step 4: Simplify right side
    10,338.26x = 87,497,524.96
  5. Step 5: Solve for x
    x = 87,497,524.96/10,338.26
  6. Step 6: Final answer
    x = 8,463.47

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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.