Home / 12,549.56-17,318.41-6,960.56

Finding the Fourth Proportional to 12,549.56, 17,318.41 and 6,960.56

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Solution

The fourth proportional to 12,549.56, 17,318.41 and 6,960.56 is: 9,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.56 : 17,318.41 = 6,960.56 : x
  2. Step 2: Convert to fraction form
    12,549.56/17,318.41 = 6,960.56/x
  3. Step 3: Cross multiply
    12,549.56x = 17,318.41 × 6,960.56
  4. Step 4: Simplify right side
    12,549.56x = 120,545,857.80
  5. Step 5: Solve for x
    x = 120,545,857.80/12,549.56
  6. Step 6: Final answer
    x = 9,605.58

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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.