Home / 10,552.85-15,826.91-3,156.33

Finding the Fourth Proportional to 10,552.85, 15,826.91 and 3,156.33

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Solution

The fourth proportional to 10,552.85, 15,826.91 and 3,156.33 is: 4,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.85 : 15,826.91 = 3,156.33 : x
  2. Step 2: Convert to fraction form
    10,552.85/15,826.91 = 3,156.33/x
  3. Step 3: Cross multiply
    10,552.85x = 15,826.91 × 3,156.33
  4. Step 4: Simplify right side
    10,552.85x = 49,954,935.06
  5. Step 5: Solve for x
    x = 49,954,935.06/10,552.85
  6. Step 6: Final answer
    x = 4,733.79

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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.