Home / 10,644.23-15,954.73-4,408.31

Finding the Fourth Proportional to 10,644.23, 15,954.73 and 4,408.31

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Solution

The fourth proportional to 10,644.23, 15,954.73 and 4,408.31 is: 6,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.23 : 15,954.73 = 4,408.31 : x
  2. Step 2: Convert to fraction form
    10,644.23/15,954.73 = 4,408.31/x
  3. Step 3: Cross multiply
    10,644.23x = 15,954.73 × 4,408.31
  4. Step 4: Simplify right side
    10,644.23x = 70,333,395.81
  5. Step 5: Solve for x
    x = 70,333,395.81/10,644.23
  6. Step 6: Final answer
    x = 6,607.65

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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.