Home / 10,740.37-16,109.92-6,385.54

Finding the Fourth Proportional to 10,740.37, 16,109.92 and 6,385.54

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Solution

The fourth proportional to 10,740.37, 16,109.92 and 6,385.54 is: 9,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.37 : 16,109.92 = 6,385.54 : x
  2. Step 2: Convert to fraction form
    10,740.37/16,109.92 = 6,385.54/x
  3. Step 3: Cross multiply
    10,740.37x = 16,109.92 × 6,385.54
  4. Step 4: Simplify right side
    10,740.37x = 102,870,538.56
  5. Step 5: Solve for x
    x = 102,870,538.56/10,740.37
  6. Step 6: Final answer
    x = 9,577.93

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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.