Home / 10,079.37-13,891.45-8,197.18

Finding the Fourth Proportional to 10,079.37, 13,891.45 and 8,197.18

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Solution

The fourth proportional to 10,079.37, 13,891.45 and 8,197.18 is: 11,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.37 : 13,891.45 = 8,197.18 : x
  2. Step 2: Convert to fraction form
    10,079.37/13,891.45 = 8,197.18/x
  3. Step 3: Cross multiply
    10,079.37x = 13,891.45 × 8,197.18
  4. Step 4: Simplify right side
    10,079.37x = 113,870,716.11
  5. Step 5: Solve for x
    x = 113,870,716.11/10,079.37
  6. Step 6: Final answer
    x = 11,297.40

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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.