Home / 11,908.52-16,433.64-6,872.28

Finding the Fourth Proportional to 11,908.52, 16,433.64 and 6,872.28

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Solution

The fourth proportional to 11,908.52, 16,433.64 and 6,872.28 is: 9,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.52 : 16,433.64 = 6,872.28 : x
  2. Step 2: Convert to fraction form
    11,908.52/16,433.64 = 6,872.28/x
  3. Step 3: Cross multiply
    11,908.52x = 16,433.64 × 6,872.28
  4. Step 4: Simplify right side
    11,908.52x = 112,936,575.50
  5. Step 5: Solve for x
    x = 112,936,575.50/11,908.52
  6. Step 6: Final answer
    x = 9,483.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.