Home / 9,767.20-14,629.20-7,568.80

Finding the Fourth Proportional to 9,767.20, 14,629.20 and 7,568.80

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Solution

The fourth proportional to 9,767.20, 14,629.20 and 7,568.80 is: 11,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.20 : 14,629.20 = 7,568.80 : x
  2. Step 2: Convert to fraction form
    9,767.20/14,629.20 = 7,568.80/x
  3. Step 3: Cross multiply
    9,767.20x = 14,629.20 × 7,568.80
  4. Step 4: Simplify right side
    9,767.20x = 110,725,488.96
  5. Step 5: Solve for x
    x = 110,725,488.96/9,767.20
  6. Step 6: Final answer
    x = 11,336.46

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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.