Home / 9,192.23-12,685.80-5,213.43

Finding the Fourth Proportional to 9,192.23, 12,685.80 and 5,213.43

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Solution

The fourth proportional to 9,192.23, 12,685.80 and 5,213.43 is: 7,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.23 : 12,685.80 = 5,213.43 : x
  2. Step 2: Convert to fraction form
    9,192.23/12,685.80 = 5,213.43/x
  3. Step 3: Cross multiply
    9,192.23x = 12,685.80 × 5,213.43
  4. Step 4: Simplify right side
    9,192.23x = 66,136,536.28
  5. Step 5: Solve for x
    x = 66,136,536.28/9,192.23
  6. Step 6: Final answer
    x = 7,194.83

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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.