Home / 11,081.72-16,541.51-9,769.56

Finding the Fourth Proportional to 11,081.72, 16,541.51 and 9,769.56

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Solution

The fourth proportional to 11,081.72, 16,541.51 and 9,769.56 is: 14,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.72 : 16,541.51 = 9,769.56 : x
  2. Step 2: Convert to fraction form
    11,081.72/16,541.51 = 9,769.56/x
  3. Step 3: Cross multiply
    11,081.72x = 16,541.51 × 9,769.56
  4. Step 4: Simplify right side
    11,081.72x = 161,603,274.44
  5. Step 5: Solve for x
    x = 161,603,274.44/11,081.72
  6. Step 6: Final answer
    x = 14,582.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.