Home / 8,169.53-11,246.31-7,329.96

Finding the Fourth Proportional to 8,169.53, 11,246.31 and 7,329.96

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Solution

The fourth proportional to 8,169.53, 11,246.31 and 7,329.96 is: 10,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.53 : 11,246.31 = 7,329.96 : x
  2. Step 2: Convert to fraction form
    8,169.53/11,246.31 = 7,329.96/x
  3. Step 3: Cross multiply
    8,169.53x = 11,246.31 × 7,329.96
  4. Step 4: Simplify right side
    8,169.53x = 82,435,002.45
  5. Step 5: Solve for x
    x = 82,435,002.45/8,169.53
  6. Step 6: Final answer
    x = 10,090.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.