Home / 11,076.19-16,612.75-3,179.40

Finding the Fourth Proportional to 11,076.19, 16,612.75 and 3,179.40

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Solution

The fourth proportional to 11,076.19, 16,612.75 and 3,179.40 is: 4,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.19 : 16,612.75 = 3,179.40 : x
  2. Step 2: Convert to fraction form
    11,076.19/16,612.75 = 3,179.40/x
  3. Step 3: Cross multiply
    11,076.19x = 16,612.75 × 3,179.40
  4. Step 4: Simplify right side
    11,076.19x = 52,818,594.59
  5. Step 5: Solve for x
    x = 52,818,594.59/11,076.19
  6. Step 6: Final answer
    x = 4,768.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.