Home / 10,822.12-16,231.32-3,029.08

Finding the Fourth Proportional to 10,822.12, 16,231.32 and 3,029.08

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Solution

The fourth proportional to 10,822.12, 16,231.32 and 3,029.08 is: 4,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.12 : 16,231.32 = 3,029.08 : x
  2. Step 2: Convert to fraction form
    10,822.12/16,231.32 = 3,029.08/x
  3. Step 3: Cross multiply
    10,822.12x = 16,231.32 × 3,029.08
  4. Step 4: Simplify right side
    10,822.12x = 49,165,966.79
  5. Step 5: Solve for x
    x = 49,165,966.79/10,822.12
  6. Step 6: Final answer
    x = 4,543.10

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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.