Home / 11,292.42-15,584.10-6,816.09

Finding the Fourth Proportional to 11,292.42, 15,584.10 and 6,816.09

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Solution

The fourth proportional to 11,292.42, 15,584.10 and 6,816.09 is: 9,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.42 : 15,584.10 = 6,816.09 : x
  2. Step 2: Convert to fraction form
    11,292.42/15,584.10 = 6,816.09/x
  3. Step 3: Cross multiply
    11,292.42x = 15,584.10 × 6,816.09
  4. Step 4: Simplify right side
    11,292.42x = 106,222,628.17
  5. Step 5: Solve for x
    x = 106,222,628.17/11,292.42
  6. Step 6: Final answer
    x = 9,406.54

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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.