Home / 12,322.32-16,998.84-7,841.04

Finding the Fourth Proportional to 12,322.32, 16,998.84 and 7,841.04

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Solution

The fourth proportional to 12,322.32, 16,998.84 and 7,841.04 is: 10,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.32 : 16,998.84 = 7,841.04 : x
  2. Step 2: Convert to fraction form
    12,322.32/16,998.84 = 7,841.04/x
  3. Step 3: Cross multiply
    12,322.32x = 16,998.84 × 7,841.04
  4. Step 4: Simplify right side
    12,322.32x = 133,288,584.39
  5. Step 5: Solve for x
    x = 133,288,584.39/12,322.32
  6. Step 6: Final answer
    x = 10,816.84

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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.