Home / 9,499.76-14,217.60-6,781.44

Finding the Fourth Proportional to 9,499.76, 14,217.60 and 6,781.44

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Solution

The fourth proportional to 9,499.76, 14,217.60 and 6,781.44 is: 10,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,499.76 : 14,217.60 = 6,781.44 : x
  2. Step 2: Convert to fraction form
    9,499.76/14,217.60 = 6,781.44/x
  3. Step 3: Cross multiply
    9,499.76x = 14,217.60 × 6,781.44
  4. Step 4: Simplify right side
    9,499.76x = 96,415,801.34
  5. Step 5: Solve for x
    x = 96,415,801.34/9,499.76
  6. Step 6: Final answer
    x = 10,149.29

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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.