Home / 10,652.92-15,979.44-2,861.08

Finding the Fourth Proportional to 10,652.92, 15,979.44 and 2,861.08

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Solution

The fourth proportional to 10,652.92, 15,979.44 and 2,861.08 is: 4,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.92 : 15,979.44 = 2,861.08 : x
  2. Step 2: Convert to fraction form
    10,652.92/15,979.44 = 2,861.08/x
  3. Step 3: Cross multiply
    10,652.92x = 15,979.44 × 2,861.08
  4. Step 4: Simplify right side
    10,652.92x = 45,718,456.20
  5. Step 5: Solve for x
    x = 45,718,456.20/10,652.92
  6. Step 6: Final answer
    x = 4,291.64

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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.