Home / 11,958.28-16,500.56-6,921.52

Finding the Fourth Proportional to 11,958.28, 16,500.56 and 6,921.52

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Solution

The fourth proportional to 11,958.28, 16,500.56 and 6,921.52 is: 9,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.28 : 16,500.56 = 6,921.52 : x
  2. Step 2: Convert to fraction form
    11,958.28/16,500.56 = 6,921.52/x
  3. Step 3: Cross multiply
    11,958.28x = 16,500.56 × 6,921.52
  4. Step 4: Simplify right side
    11,958.28x = 114,208,880.19
  5. Step 5: Solve for x
    x = 114,208,880.19/11,958.28
  6. Step 6: Final answer
    x = 9,550.61

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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.