Home / 9,322.05-12,872.21-6,192.21

Finding the Fourth Proportional to 9,322.05, 12,872.21 and 6,192.21

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Solution

The fourth proportional to 9,322.05, 12,872.21 and 6,192.21 is: 8,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.05 : 12,872.21 = 6,192.21 : x
  2. Step 2: Convert to fraction form
    9,322.05/12,872.21 = 6,192.21/x
  3. Step 3: Cross multiply
    9,322.05x = 12,872.21 × 6,192.21
  4. Step 4: Simplify right side
    9,322.05x = 79,707,427.48
  5. Step 5: Solve for x
    x = 79,707,427.48/9,322.05
  6. Step 6: Final answer
    x = 8,550.42

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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.