Home / 10,718.88-16,078.14-2,927.66

Finding the Fourth Proportional to 10,718.88, 16,078.14 and 2,927.66

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Solution

The fourth proportional to 10,718.88, 16,078.14 and 2,927.66 is: 4,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.88 : 16,078.14 = 2,927.66 : x
  2. Step 2: Convert to fraction form
    10,718.88/16,078.14 = 2,927.66/x
  3. Step 3: Cross multiply
    10,718.88x = 16,078.14 × 2,927.66
  4. Step 4: Simplify right side
    10,718.88x = 47,071,327.35
  5. Step 5: Solve for x
    x = 47,071,327.35/10,718.88
  6. Step 6: Final answer
    x = 4,391.44

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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.