Home / 10,149.75-14,006.66-6,170.12

Finding the Fourth Proportional to 10,149.75, 14,006.66 and 6,170.12

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Solution

The fourth proportional to 10,149.75, 14,006.66 and 6,170.12 is: 8,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.75 : 14,006.66 = 6,170.12 : x
  2. Step 2: Convert to fraction form
    10,149.75/14,006.66 = 6,170.12/x
  3. Step 3: Cross multiply
    10,149.75x = 14,006.66 × 6,170.12
  4. Step 4: Simplify right side
    10,149.75x = 86,422,672.12
  5. Step 5: Solve for x
    x = 86,422,672.12/10,149.75
  6. Step 6: Final answer
    x = 8,514.76

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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.