Home / 12,396.29-17,107.16-6,731.24

Finding the Fourth Proportional to 12,396.29, 17,107.16 and 6,731.24

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Solution

The fourth proportional to 12,396.29, 17,107.16 and 6,731.24 is: 9,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.29 : 17,107.16 = 6,731.24 : x
  2. Step 2: Convert to fraction form
    12,396.29/17,107.16 = 6,731.24/x
  3. Step 3: Cross multiply
    12,396.29x = 17,107.16 × 6,731.24
  4. Step 4: Simplify right side
    12,396.29x = 115,152,280.49
  5. Step 5: Solve for x
    x = 115,152,280.49/12,396.29
  6. Step 6: Final answer
    x = 9,289.26

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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.