Home / 9,729.20-14,592.36-3,155.96

Finding the Fourth Proportional to 9,729.20, 14,592.36 and 3,155.96

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Solution

The fourth proportional to 9,729.20, 14,592.36 and 3,155.96 is: 4,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.20 : 14,592.36 = 3,155.96 : x
  2. Step 2: Convert to fraction form
    9,729.20/14,592.36 = 3,155.96/x
  3. Step 3: Cross multiply
    9,729.20x = 14,592.36 × 3,155.96
  4. Step 4: Simplify right side
    9,729.20x = 46,052,904.47
  5. Step 5: Solve for x
    x = 46,052,904.47/9,729.20
  6. Step 6: Final answer
    x = 4,733.47

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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.