Home / 9,124.56-13,686.32-2,799.43

Finding the Fourth Proportional to 9,124.56, 13,686.32 and 2,799.43

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Solution

The fourth proportional to 9,124.56, 13,686.32 and 2,799.43 is: 4,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.56 : 13,686.32 = 2,799.43 : x
  2. Step 2: Convert to fraction form
    9,124.56/13,686.32 = 2,799.43/x
  3. Step 3: Cross multiply
    9,124.56x = 13,686.32 × 2,799.43
  4. Step 4: Simplify right side
    9,124.56x = 38,313,867.58
  5. Step 5: Solve for x
    x = 38,313,867.58/9,124.56
  6. Step 6: Final answer
    x = 4,198.98

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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.