Home / 11,167.72-16,753.74-5,979.40

Finding the Fourth Proportional to 11,167.72, 16,753.74 and 5,979.40

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Solution

The fourth proportional to 11,167.72, 16,753.74 and 5,979.40 is: 8,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.72 : 16,753.74 = 5,979.40 : x
  2. Step 2: Convert to fraction form
    11,167.72/16,753.74 = 5,979.40/x
  3. Step 3: Cross multiply
    11,167.72x = 16,753.74 × 5,979.40
  4. Step 4: Simplify right side
    11,167.72x = 100,177,312.96
  5. Step 5: Solve for x
    x = 100,177,312.96/11,167.72
  6. Step 6: Final answer
    x = 8,970.26

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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.