Home / 8,114.57-11,198.58-4,971.36

Finding the Fourth Proportional to 8,114.57, 11,198.58 and 4,971.36

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Solution

The fourth proportional to 8,114.57, 11,198.58 and 4,971.36 is: 6,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.57 : 11,198.58 = 4,971.36 : x
  2. Step 2: Convert to fraction form
    8,114.57/11,198.58 = 4,971.36/x
  3. Step 3: Cross multiply
    8,114.57x = 11,198.58 × 4,971.36
  4. Step 4: Simplify right side
    8,114.57x = 55,672,172.67
  5. Step 5: Solve for x
    x = 55,672,172.67/8,114.57
  6. Step 6: Final answer
    x = 6,860.77

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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.