Home / 12,452.99-17,185.10-6,787.85

Finding the Fourth Proportional to 12,452.99, 17,185.10 and 6,787.85

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Solution

The fourth proportional to 12,452.99, 17,185.10 and 6,787.85 is: 9,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.99 : 17,185.10 = 6,787.85 : x
  2. Step 2: Convert to fraction form
    12,452.99/17,185.10 = 6,787.85/x
  3. Step 3: Cross multiply
    12,452.99x = 17,185.10 × 6,787.85
  4. Step 4: Simplify right side
    12,452.99x = 116,649,761.17
  5. Step 5: Solve for x
    x = 116,649,761.17/12,452.99
  6. Step 6: Final answer
    x = 9,367.21

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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.