Home / 12,396.26-17,107.18-6,807.62

Finding the Fourth Proportional to 12,396.26, 17,107.18 and 6,807.62

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Solution

The fourth proportional to 12,396.26, 17,107.18 and 6,807.62 is: 9,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.26 : 17,107.18 = 6,807.62 : x
  2. Step 2: Convert to fraction form
    12,396.26/17,107.18 = 6,807.62/x
  3. Step 3: Cross multiply
    12,396.26x = 17,107.18 × 6,807.62
  4. Step 4: Simplify right side
    12,396.26x = 116,459,180.71
  5. Step 5: Solve for x
    x = 116,459,180.71/12,396.26
  6. Step 6: Final answer
    x = 9,394.70

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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.