Home / 8,611.16-11,883.24-5,074.29

Finding the Fourth Proportional to 8,611.16, 11,883.24 and 5,074.29

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Solution

The fourth proportional to 8,611.16, 11,883.24 and 5,074.29 is: 7,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611.16 : 11,883.24 = 5,074.29 : x
  2. Step 2: Convert to fraction form
    8,611.16/11,883.24 = 5,074.29/x
  3. Step 3: Cross multiply
    8,611.16x = 11,883.24 × 5,074.29
  4. Step 4: Simplify right side
    8,611.16x = 60,299,005.90
  5. Step 5: Solve for x
    x = 60,299,005.90/8,611.16
  6. Step 6: Final answer
    x = 7,002.43

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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.