Home / 11,818.14-16,308.98-6,512.94

Finding the Fourth Proportional to 11,818.14, 16,308.98 and 6,512.94

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Solution

The fourth proportional to 11,818.14, 16,308.98 and 6,512.94 is: 8,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.14 : 16,308.98 = 6,512.94 : x
  2. Step 2: Convert to fraction form
    11,818.14/16,308.98 = 6,512.94/x
  3. Step 3: Cross multiply
    11,818.14x = 16,308.98 × 6,512.94
  4. Step 4: Simplify right side
    11,818.14x = 106,219,445.93
  5. Step 5: Solve for x
    x = 106,219,445.93/11,818.14
  6. Step 6: Final answer
    x = 8,987.83

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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.