Home / 11,481.32-15,847.32-10,784.36

Finding the Fourth Proportional to 11,481.32, 15,847.32 and 10,784.36

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Solution

The fourth proportional to 11,481.32, 15,847.32 and 10,784.36 is: 14,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.32 : 15,847.32 = 10,784.36 : x
  2. Step 2: Convert to fraction form
    11,481.32/15,847.32 = 10,784.36/x
  3. Step 3: Cross multiply
    11,481.32x = 15,847.32 × 10,784.36
  4. Step 4: Simplify right side
    11,481.32x = 170,903,203.92
  5. Step 5: Solve for x
    x = 170,903,203.92/11,481.32
  6. Step 6: Final answer
    x = 14,885.33

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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.