Home / 11,474.50-15,835.61-6,761.51

Finding the Fourth Proportional to 11,474.50, 15,835.61 and 6,761.51

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Solution

The fourth proportional to 11,474.50, 15,835.61 and 6,761.51 is: 9,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.50 : 15,835.61 = 6,761.51 : x
  2. Step 2: Convert to fraction form
    11,474.50/15,835.61 = 6,761.51/x
  3. Step 3: Cross multiply
    11,474.50x = 15,835.61 × 6,761.51
  4. Step 4: Simplify right side
    11,474.50x = 107,072,601.56
  5. Step 5: Solve for x
    x = 107,072,601.56/11,474.50
  6. Step 6: Final answer
    x = 9,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.