Home / 10,822.21-16,239.08-4,248.45

Finding the Fourth Proportional to 10,822.21, 16,239.08 and 4,248.45

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Solution

The fourth proportional to 10,822.21, 16,239.08 and 4,248.45 is: 6,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.21 : 16,239.08 = 4,248.45 : x
  2. Step 2: Convert to fraction form
    10,822.21/16,239.08 = 4,248.45/x
  3. Step 3: Cross multiply
    10,822.21x = 16,239.08 × 4,248.45
  4. Step 4: Simplify right side
    10,822.21x = 68,990,930.05
  5. Step 5: Solve for x
    x = 68,990,930.05/10,822.21
  6. Step 6: Final answer
    x = 6,374.94

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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.