Home / 11,801.44-16,275.36-9,818.56

Finding the Fourth Proportional to 11,801.44, 16,275.36 and 9,818.56

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Solution

The fourth proportional to 11,801.44, 16,275.36 and 9,818.56 is: 13,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.44 : 16,275.36 = 9,818.56 : x
  2. Step 2: Convert to fraction form
    11,801.44/16,275.36 = 9,818.56/x
  3. Step 3: Cross multiply
    11,801.44x = 16,275.36 × 9,818.56
  4. Step 4: Simplify right side
    11,801.44x = 159,800,598.68
  5. Step 5: Solve for x
    x = 159,800,598.68/11,801.44
  6. Step 6: Final answer
    x = 13,540.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.