Home / 10,651.64-15,979.55-3,257.15

Finding the Fourth Proportional to 10,651.64, 15,979.55 and 3,257.15

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Solution

The fourth proportional to 10,651.64, 15,979.55 and 3,257.15 is: 4,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.64 : 15,979.55 = 3,257.15 : x
  2. Step 2: Convert to fraction form
    10,651.64/15,979.55 = 3,257.15/x
  3. Step 3: Cross multiply
    10,651.64x = 15,979.55 × 3,257.15
  4. Step 4: Simplify right side
    10,651.64x = 52,047,695.10
  5. Step 5: Solve for x
    x = 52,047,695.10/10,651.64
  6. Step 6: Final answer
    x = 4,886.36

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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.