Home / 11,276.72-16,909.74-3,376.19

Finding the Fourth Proportional to 11,276.72, 16,909.74 and 3,376.19

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Solution

The fourth proportional to 11,276.72, 16,909.74 and 3,376.19 is: 5,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.72 : 16,909.74 = 3,376.19 : x
  2. Step 2: Convert to fraction form
    11,276.72/16,909.74 = 3,376.19/x
  3. Step 3: Cross multiply
    11,276.72x = 16,909.74 × 3,376.19
  4. Step 4: Simplify right side
    11,276.72x = 57,090,410.54
  5. Step 5: Solve for x
    x = 57,090,410.54/11,276.72
  6. Step 6: Final answer
    x = 5,062.68

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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.