Home / 12,396.24-17,106.84-6,807.60

Finding the Fourth Proportional to 12,396.24, 17,106.84 and 6,807.60

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Solution

The fourth proportional to 12,396.24, 17,106.84 and 6,807.60 is: 9,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.24 : 17,106.84 = 6,807.60 : x
  2. Step 2: Convert to fraction form
    12,396.24/17,106.84 = 6,807.60/x
  3. Step 3: Cross multiply
    12,396.24x = 17,106.84 × 6,807.60
  4. Step 4: Simplify right side
    12,396.24x = 116,456,523.98
  5. Step 5: Solve for x
    x = 116,456,523.98/12,396.24
  6. Step 6: Final answer
    x = 9,394.50

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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.