Home / 10,428.07-15,644.13-4,504.96

Finding the Fourth Proportional to 10,428.07, 15,644.13 and 4,504.96

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Solution

The fourth proportional to 10,428.07, 15,644.13 and 4,504.96 is: 6,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.07 : 15,644.13 = 4,504.96 : x
  2. Step 2: Convert to fraction form
    10,428.07/15,644.13 = 4,504.96/x
  3. Step 3: Cross multiply
    10,428.07x = 15,644.13 × 4,504.96
  4. Step 4: Simplify right side
    10,428.07x = 70,476,179.88
  5. Step 5: Solve for x
    x = 70,476,179.88/10,428.07
  6. Step 6: Final answer
    x = 6,758.31

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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.