Home / 11,943.92-17,916.04-4,152.88

Finding the Fourth Proportional to 11,943.92, 17,916.04 and 4,152.88

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Solution

The fourth proportional to 11,943.92, 17,916.04 and 4,152.88 is: 6,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.92 : 17,916.04 = 4,152.88 : x
  2. Step 2: Convert to fraction form
    11,943.92/17,916.04 = 4,152.88/x
  3. Step 3: Cross multiply
    11,943.92x = 17,916.04 × 4,152.88
  4. Step 4: Simplify right side
    11,943.92x = 74,403,164.20
  5. Step 5: Solve for x
    x = 74,403,164.20/11,943.92
  6. Step 6: Final answer
    x = 6,229.38

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1.5x scale

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.