Home / 7,335.06-11,005.11-2,141.70

Finding the Fourth Proportional to 7,335.06, 11,005.11 and 2,141.70

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Solution

The fourth proportional to 7,335.06, 11,005.11 and 2,141.70 is: 3,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.06 : 11,005.11 = 2,141.70 : x
  2. Step 2: Convert to fraction form
    7,335.06/11,005.11 = 2,141.70/x
  3. Step 3: Cross multiply
    7,335.06x = 11,005.11 × 2,141.70
  4. Step 4: Simplify right side
    7,335.06x = 23,569,644.09
  5. Step 5: Solve for x
    x = 23,569,644.09/7,335.06
  6. Step 6: Final answer
    x = 3,213.29

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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.