Home / 7,790.92-11,732.21-5,614.96

Finding the Fourth Proportional to 7,790.92, 11,732.21 and 5,614.96

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Solution

The fourth proportional to 7,790.92, 11,732.21 and 5,614.96 is: 8,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.92 : 11,732.21 = 5,614.96 : x
  2. Step 2: Convert to fraction form
    7,790.92/11,732.21 = 5,614.96/x
  3. Step 3: Cross multiply
    7,790.92x = 11,732.21 × 5,614.96
  4. Step 4: Simplify right side
    7,790.92x = 65,875,889.86
  5. Step 5: Solve for x
    x = 65,875,889.86/7,790.92
  6. Step 6: Final answer
    x = 8,455.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.