Home / 10,718.06-16,078.21-2,926.88

Finding the Fourth Proportional to 10,718.06, 16,078.21 and 2,926.88

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Solution

The fourth proportional to 10,718.06, 16,078.21 and 2,926.88 is: 4,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.06 : 16,078.21 = 2,926.88 : x
  2. Step 2: Convert to fraction form
    10,718.06/16,078.21 = 2,926.88/x
  3. Step 3: Cross multiply
    10,718.06x = 16,078.21 × 2,926.88
  4. Step 4: Simplify right side
    10,718.06x = 47,058,903.58
  5. Step 5: Solve for x
    x = 47,058,903.58/10,718.06
  6. Step 6: Final answer
    x = 4,390.62

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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.