Home / 10,952.72-16,420.97-4,373.90

Finding the Fourth Proportional to 10,952.72, 16,420.97 and 4,373.90

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Solution

The fourth proportional to 10,952.72, 16,420.97 and 4,373.90 is: 6,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.72 : 16,420.97 = 4,373.90 : x
  2. Step 2: Convert to fraction form
    10,952.72/16,420.97 = 4,373.90/x
  3. Step 3: Cross multiply
    10,952.72x = 16,420.97 × 4,373.90
  4. Step 4: Simplify right side
    10,952.72x = 71,823,576.71
  5. Step 5: Solve for x
    x = 71,823,576.71/10,952.72
  6. Step 6: Final answer
    x = 6,557.60

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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.