Home / 8,147.90-11,244.36-4,611.02

Finding the Fourth Proportional to 8,147.90, 11,244.36 and 4,611.02

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Solution

The fourth proportional to 8,147.90, 11,244.36 and 4,611.02 is: 6,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.90 : 11,244.36 = 4,611.02 : x
  2. Step 2: Convert to fraction form
    8,147.90/11,244.36 = 4,611.02/x
  3. Step 3: Cross multiply
    8,147.90x = 11,244.36 × 4,611.02
  4. Step 4: Simplify right side
    8,147.90x = 51,847,968.85
  5. Step 5: Solve for x
    x = 51,847,968.85/8,147.90
  6. Step 6: Final answer
    x = 6,363.35

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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.