Home / 8,201.92-11,318.79-4,665.16

Finding the Fourth Proportional to 8,201.92, 11,318.79 and 4,665.16

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Solution

The fourth proportional to 8,201.92, 11,318.79 and 4,665.16 is: 6,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.92 : 11,318.79 = 4,665.16 : x
  2. Step 2: Convert to fraction form
    8,201.92/11,318.79 = 4,665.16/x
  3. Step 3: Cross multiply
    8,201.92x = 11,318.79 × 4,665.16
  4. Step 4: Simplify right side
    8,201.92x = 52,803,966.36
  5. Step 5: Solve for x
    x = 52,803,966.36/8,201.92
  6. Step 6: Final answer
    x = 6,438.00

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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.