Home / 9,747.64-14,619.93-3,172.87

Finding the Fourth Proportional to 9,747.64, 14,619.93 and 3,172.87

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Solution

The fourth proportional to 9,747.64, 14,619.93 and 3,172.87 is: 4,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.64 : 14,619.93 = 3,172.87 : x
  2. Step 2: Convert to fraction form
    9,747.64/14,619.93 = 3,172.87/x
  3. Step 3: Cross multiply
    9,747.64x = 14,619.93 × 3,172.87
  4. Step 4: Simplify right side
    9,747.64x = 46,387,137.30
  5. Step 5: Solve for x
    x = 46,387,137.30/9,747.64
  6. Step 6: Final answer
    x = 4,758.81

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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.