Home / 11,160.19-16,740.35-3,764.72

Finding the Fourth Proportional to 11,160.19, 16,740.35 and 3,764.72

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Solution

The fourth proportional to 11,160.19, 16,740.35 and 3,764.72 is: 5,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.19 : 16,740.35 = 3,764.72 : x
  2. Step 2: Convert to fraction form
    11,160.19/16,740.35 = 3,764.72/x
  3. Step 3: Cross multiply
    11,160.19x = 16,740.35 × 3,764.72
  4. Step 4: Simplify right side
    11,160.19x = 63,022,639.30
  5. Step 5: Solve for x
    x = 63,022,639.30/11,160.19
  6. Step 6: Final answer
    x = 5,647.09

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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.