Home / 10,551.62-15,827.65-3,156.37

Finding the Fourth Proportional to 10,551.62, 15,827.65 and 3,156.37

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Solution

The fourth proportional to 10,551.62, 15,827.65 and 3,156.37 is: 4,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.62 : 15,827.65 = 3,156.37 : x
  2. Step 2: Convert to fraction form
    10,551.62/15,827.65 = 3,156.37/x
  3. Step 3: Cross multiply
    10,551.62x = 15,827.65 × 3,156.37
  4. Step 4: Simplify right side
    10,551.62x = 49,957,889.93
  5. Step 5: Solve for x
    x = 49,957,889.93/10,551.62
  6. Step 6: Final answer
    x = 4,734.62

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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.