Home / 10,468.89-15,704.78-3,072.31

Finding the Fourth Proportional to 10,468.89, 15,704.78 and 3,072.31

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Solution

The fourth proportional to 10,468.89, 15,704.78 and 3,072.31 is: 4,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.89 : 15,704.78 = 3,072.31 : x
  2. Step 2: Convert to fraction form
    10,468.89/15,704.78 = 3,072.31/x
  3. Step 3: Cross multiply
    10,468.89x = 15,704.78 × 3,072.31
  4. Step 4: Simplify right side
    10,468.89x = 48,249,952.64
  5. Step 5: Solve for x
    x = 48,249,952.64/10,468.89
  6. Step 6: Final answer
    x = 4,608.89

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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.