Home / 10,584.12-15,876.21-2,686.64

Finding the Fourth Proportional to 10,584.12, 15,876.21 and 2,686.64

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Solution

The fourth proportional to 10,584.12, 15,876.21 and 2,686.64 is: 4,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584.12 : 15,876.21 = 2,686.64 : x
  2. Step 2: Convert to fraction form
    10,584.12/15,876.21 = 2,686.64/x
  3. Step 3: Cross multiply
    10,584.12x = 15,876.21 × 2,686.64
  4. Step 4: Simplify right side
    10,584.12x = 42,653,673.28
  5. Step 5: Solve for x
    x = 42,653,673.28/10,584.12
  6. Step 6: Final answer
    x = 4,029.97

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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.