Home / 11,120.33-15,255.58-10,829.81

Finding the Fourth Proportional to 11,120.33, 15,255.58 and 10,829.81

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Solution

The fourth proportional to 11,120.33, 15,255.58 and 10,829.81 is: 14,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.33 : 15,255.58 = 10,829.81 : x
  2. Step 2: Convert to fraction form
    11,120.33/15,255.58 = 10,829.81/x
  3. Step 3: Cross multiply
    11,120.33x = 15,255.58 × 10,829.81
  4. Step 4: Simplify right side
    11,120.33x = 165,215,032.84
  5. Step 5: Solve for x
    x = 165,215,032.84/11,120.33
  6. Step 6: Final answer
    x = 14,857.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.