Home / 10,687.56-16,031.34-2,896.37

Finding the Fourth Proportional to 10,687.56, 16,031.34 and 2,896.37

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Solution

The fourth proportional to 10,687.56, 16,031.34 and 2,896.37 is: 4,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.56 : 16,031.34 = 2,896.37 : x
  2. Step 2: Convert to fraction form
    10,687.56/16,031.34 = 2,896.37/x
  3. Step 3: Cross multiply
    10,687.56x = 16,031.34 × 2,896.37
  4. Step 4: Simplify right side
    10,687.56x = 46,432,732.31
  5. Step 5: Solve for x
    x = 46,432,732.31/10,687.56
  6. Step 6: Final answer
    x = 4,344.56

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1.5x scale

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.