Home / 11,609.06-16,033.56-7,847.75

Finding the Fourth Proportional to 11,609.06, 16,033.56 and 7,847.75

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Solution

The fourth proportional to 11,609.06, 16,033.56 and 7,847.75 is: 10,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.06 : 16,033.56 = 7,847.75 : x
  2. Step 2: Convert to fraction form
    11,609.06/16,033.56 = 7,847.75/x
  3. Step 3: Cross multiply
    11,609.06x = 16,033.56 × 7,847.75
  4. Step 4: Simplify right side
    11,609.06x = 125,827,370.49
  5. Step 5: Solve for x
    x = 125,827,370.49/11,609.06
  6. Step 6: Final answer
    x = 10,838.72

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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.