Home / 11,102.28-16,653.54-2,894.28

Finding the Fourth Proportional to 11,102.28, 16,653.54 and 2,894.28

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Solution

The fourth proportional to 11,102.28, 16,653.54 and 2,894.28 is: 4,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.28 : 16,653.54 = 2,894.28 : x
  2. Step 2: Convert to fraction form
    11,102.28/16,653.54 = 2,894.28/x
  3. Step 3: Cross multiply
    11,102.28x = 16,653.54 × 2,894.28
  4. Step 4: Simplify right side
    11,102.28x = 48,200,007.75
  5. Step 5: Solve for x
    x = 48,200,007.75/11,102.28
  6. Step 6: Final answer
    x = 4,341.45

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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.