Home / 10,867.88-16,285.82-4,856.66

Finding the Fourth Proportional to 10,867.88, 16,285.82 and 4,856.66

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Solution

The fourth proportional to 10,867.88, 16,285.82 and 4,856.66 is: 7,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.88 : 16,285.82 = 4,856.66 : x
  2. Step 2: Convert to fraction form
    10,867.88/16,285.82 = 4,856.66/x
  3. Step 3: Cross multiply
    10,867.88x = 16,285.82 × 4,856.66
  4. Step 4: Simplify right side
    10,867.88x = 79,094,690.56
  5. Step 5: Solve for x
    x = 79,094,690.56/10,867.88
  6. Step 6: Final answer
    x = 7,277.84

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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.