Home / 10,009.31-15,008.87-3,343.41

Finding the Fourth Proportional to 10,009.31, 15,008.87 and 3,343.41

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Solution

The fourth proportional to 10,009.31, 15,008.87 and 3,343.41 is: 5,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.31 : 15,008.87 = 3,343.41 : x
  2. Step 2: Convert to fraction form
    10,009.31/15,008.87 = 3,343.41/x
  3. Step 3: Cross multiply
    10,009.31x = 15,008.87 × 3,343.41
  4. Step 4: Simplify right side
    10,009.31x = 50,180,806.05
  5. Step 5: Solve for x
    x = 50,180,806.05/10,009.31
  6. Step 6: Final answer
    x = 5,013.41

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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.