Home / 11,725.17-16,179.23-6,689.10

Finding the Fourth Proportional to 11,725.17, 16,179.23 and 6,689.10

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Solution

The fourth proportional to 11,725.17, 16,179.23 and 6,689.10 is: 9,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.17 : 16,179.23 = 6,689.10 : x
  2. Step 2: Convert to fraction form
    11,725.17/16,179.23 = 6,689.10/x
  3. Step 3: Cross multiply
    11,725.17x = 16,179.23 × 6,689.10
  4. Step 4: Simplify right side
    11,725.17x = 108,224,473.78
  5. Step 5: Solve for x
    x = 108,224,473.78/11,725.17
  6. Step 6: Final answer
    x = 9,230.10

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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.