Home / 11,112.64-15,335.22-6,076.84

Finding the Fourth Proportional to 11,112.64, 15,335.22 and 6,076.84

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Solution

The fourth proportional to 11,112.64, 15,335.22 and 6,076.84 is: 8,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.64 : 15,335.22 = 6,076.84 : x
  2. Step 2: Convert to fraction form
    11,112.64/15,335.22 = 6,076.84/x
  3. Step 3: Cross multiply
    11,112.64x = 15,335.22 × 6,076.84
  4. Step 4: Simplify right side
    11,112.64x = 93,189,723.86
  5. Step 5: Solve for x
    x = 93,189,723.86/11,112.64
  6. Step 6: Final answer
    x = 8,385.92

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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.