Home / 12,882.06-19,323.23-6,221.43

Finding the Fourth Proportional to 12,882.06, 19,323.23 and 6,221.43

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Solution

The fourth proportional to 12,882.06, 19,323.23 and 6,221.43 is: 9,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.06 : 19,323.23 = 6,221.43 : x
  2. Step 2: Convert to fraction form
    12,882.06/19,323.23 = 6,221.43/x
  3. Step 3: Cross multiply
    12,882.06x = 19,323.23 × 6,221.43
  4. Step 4: Simplify right side
    12,882.06x = 120,218,091.71
  5. Step 5: Solve for x
    x = 120,218,091.71/12,882.06
  6. Step 6: Final answer
    x = 9,332.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.