Home / 11,187.70-16,776.62-3,790.24

Finding the Fourth Proportional to 11,187.70, 16,776.62 and 3,790.24

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Solution

The fourth proportional to 11,187.70, 16,776.62 and 3,790.24 is: 5,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.70 : 16,776.62 = 3,790.24 : x
  2. Step 2: Convert to fraction form
    11,187.70/16,776.62 = 3,790.24/x
  3. Step 3: Cross multiply
    11,187.70x = 16,776.62 × 3,790.24
  4. Step 4: Simplify right side
    11,187.70x = 63,587,416.19
  5. Step 5: Solve for x
    x = 63,587,416.19/11,187.70
  6. Step 6: Final answer
    x = 5,683.69

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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.