Home / 10,909.08-16,371.77-4,246.63

Finding the Fourth Proportional to 10,909.08, 16,371.77 and 4,246.63

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Solution

The fourth proportional to 10,909.08, 16,371.77 and 4,246.63 is: 6,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.08 : 16,371.77 = 4,246.63 : x
  2. Step 2: Convert to fraction form
    10,909.08/16,371.77 = 4,246.63/x
  3. Step 3: Cross multiply
    10,909.08x = 16,371.77 × 4,246.63
  4. Step 4: Simplify right side
    10,909.08x = 69,524,787.47
  5. Step 5: Solve for x
    x = 69,524,787.47/10,909.08
  6. Step 6: Final answer
    x = 6,373.11

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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.