Home / 10,476.44-15,729.24-5,285.96

Finding the Fourth Proportional to 10,476.44, 15,729.24 and 5,285.96

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Solution

The fourth proportional to 10,476.44, 15,729.24 and 5,285.96 is: 7,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.44 : 15,729.24 = 5,285.96 : x
  2. Step 2: Convert to fraction form
    10,476.44/15,729.24 = 5,285.96/x
  3. Step 3: Cross multiply
    10,476.44x = 15,729.24 × 5,285.96
  4. Step 4: Simplify right side
    10,476.44x = 83,144,133.47
  5. Step 5: Solve for x
    x = 83,144,133.47/10,476.44
  6. Step 6: Final answer
    x = 7,936.30

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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.