Home / 7,192.68-10,726.45-6,396.26

Finding the Fourth Proportional to 7,192.68, 10,726.45 and 6,396.26

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Solution

The fourth proportional to 7,192.68, 10,726.45 and 6,396.26 is: 9,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.68 : 10,726.45 = 6,396.26 : x
  2. Step 2: Convert to fraction form
    7,192.68/10,726.45 = 6,396.26/x
  3. Step 3: Cross multiply
    7,192.68x = 10,726.45 × 6,396.26
  4. Step 4: Simplify right side
    7,192.68x = 68,609,163.08
  5. Step 5: Solve for x
    x = 68,609,163.08/7,192.68
  6. Step 6: Final answer
    x = 9,538.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.