Home / 12,227.92-18,341.04-5,659.36

Finding the Fourth Proportional to 12,227.92, 18,341.04 and 5,659.36

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Solution

The fourth proportional to 12,227.92, 18,341.04 and 5,659.36 is: 8,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.92 : 18,341.04 = 5,659.36 : x
  2. Step 2: Convert to fraction form
    12,227.92/18,341.04 = 5,659.36/x
  3. Step 3: Cross multiply
    12,227.92x = 18,341.04 × 5,659.36
  4. Step 4: Simplify right side
    12,227.92x = 103,798,548.13
  5. Step 5: Solve for x
    x = 103,798,548.13/12,227.92
  6. Step 6: Final answer
    x = 8,488.65

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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.