Home / 8,289.73-11,439.79-4,513.11

Finding the Fourth Proportional to 8,289.73, 11,439.79 and 4,513.11

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Solution

The fourth proportional to 8,289.73, 11,439.79 and 4,513.11 is: 6,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.73 : 11,439.79 = 4,513.11 : x
  2. Step 2: Convert to fraction form
    8,289.73/11,439.79 = 4,513.11/x
  3. Step 3: Cross multiply
    8,289.73x = 11,439.79 × 4,513.11
  4. Step 4: Simplify right side
    8,289.73x = 51,629,030.65
  5. Step 5: Solve for x
    x = 51,629,030.65/8,289.73
  6. Step 6: Final answer
    x = 6,228.07

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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.