Home / 15,310.72-22,962.28-4,216.84

Finding the Fourth Proportional to 15,310.72, 22,962.28 and 4,216.84

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Solution

The fourth proportional to 15,310.72, 22,962.28 and 4,216.84 is: 6,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.72 : 22,962.28 = 4,216.84 : x
  2. Step 2: Convert to fraction form
    15,310.72/22,962.28 = 4,216.84/x
  3. Step 3: Cross multiply
    15,310.72x = 22,962.28 × 4,216.84
  4. Step 4: Simplify right side
    15,310.72x = 96,828,260.80
  5. Step 5: Solve for x
    x = 96,828,260.80/15,310.72
  6. Step 6: Final answer
    x = 6,324.21

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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.