Home / 12,322.26-17,005.42-7,606.62

Finding the Fourth Proportional to 12,322.26, 17,005.42 and 7,606.62

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Solution

The fourth proportional to 12,322.26, 17,005.42 and 7,606.62 is: 10,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.26 : 17,005.42 = 7,606.62 : x
  2. Step 2: Convert to fraction form
    12,322.26/17,005.42 = 7,606.62/x
  3. Step 3: Cross multiply
    12,322.26x = 17,005.42 × 7,606.62
  4. Step 4: Simplify right side
    12,322.26x = 129,353,767.88
  5. Step 5: Solve for x
    x = 129,353,767.88/12,322.26
  6. Step 6: Final answer
    x = 10,497.57

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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.