Home / 10,876.80-16,315.26-4,635.66

Finding the Fourth Proportional to 10,876.80, 16,315.26 and 4,635.66

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Solution

The fourth proportional to 10,876.80, 16,315.26 and 4,635.66 is: 6,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.80 : 16,315.26 = 4,635.66 : x
  2. Step 2: Convert to fraction form
    10,876.80/16,315.26 = 4,635.66/x
  3. Step 3: Cross multiply
    10,876.80x = 16,315.26 × 4,635.66
  4. Step 4: Simplify right side
    10,876.80x = 75,631,998.17
  5. Step 5: Solve for x
    x = 75,631,998.17/10,876.80
  6. Step 6: Final answer
    x = 6,953.52

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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.