Home / 11,818.08-17,736.84-5,976.36

Finding the Fourth Proportional to 11,818.08, 17,736.84 and 5,976.36

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Solution

The fourth proportional to 11,818.08, 17,736.84 and 5,976.36 is: 8,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.08 : 17,736.84 = 5,976.36 : x
  2. Step 2: Convert to fraction form
    11,818.08/17,736.84 = 5,976.36/x
  3. Step 3: Cross multiply
    11,818.08x = 17,736.84 × 5,976.36
  4. Step 4: Simplify right side
    11,818.08x = 106,001,741.10
  5. Step 5: Solve for x
    x = 106,001,741.10/11,818.08
  6. Step 6: Final answer
    x = 8,969.46

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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.