Home / 7,422.29-11,133.16-2,228.03

Finding the Fourth Proportional to 7,422.29, 11,133.16 and 2,228.03

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Solution

The fourth proportional to 7,422.29, 11,133.16 and 2,228.03 is: 3,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.29 : 11,133.16 = 2,228.03 : x
  2. Step 2: Convert to fraction form
    7,422.29/11,133.16 = 2,228.03/x
  3. Step 3: Cross multiply
    7,422.29x = 11,133.16 × 2,228.03
  4. Step 4: Simplify right side
    7,422.29x = 24,804,953.24
  5. Step 5: Solve for x
    x = 24,804,953.24/7,422.29
  6. Step 6: Final answer
    x = 3,341.96

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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.