Home / 11,741.88-17,612.80-2,976.84

Finding the Fourth Proportional to 11,741.88, 17,612.80 and 2,976.84

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Solution

The fourth proportional to 11,741.88, 17,612.80 and 2,976.84 is: 4,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.88 : 17,612.80 = 2,976.84 : x
  2. Step 2: Convert to fraction form
    11,741.88/17,612.80 = 2,976.84/x
  3. Step 3: Cross multiply
    11,741.88x = 17,612.80 × 2,976.84
  4. Step 4: Simplify right side
    11,741.88x = 52,430,487.55
  5. Step 5: Solve for x
    x = 52,430,487.55/11,741.88
  6. Step 6: Final answer
    x = 4,465.25

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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.