Home / 7,981.83-11,014.56-4,396.68

Finding the Fourth Proportional to 7,981.83, 11,014.56 and 4,396.68

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Solution

The fourth proportional to 7,981.83, 11,014.56 and 4,396.68 is: 6,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.83 : 11,014.56 = 4,396.68 : x
  2. Step 2: Convert to fraction form
    7,981.83/11,014.56 = 4,396.68/x
  3. Step 3: Cross multiply
    7,981.83x = 11,014.56 × 4,396.68
  4. Step 4: Simplify right side
    7,981.83x = 48,427,495.66
  5. Step 5: Solve for x
    x = 48,427,495.66/7,981.83
  6. Step 6: Final answer
    x = 6,067.22

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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.