Home / 8,180.46-11,210.37-7,393.14

Finding the Fourth Proportional to 8,180.46, 11,210.37 and 7,393.14

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Solution

The fourth proportional to 8,180.46, 11,210.37 and 7,393.14 is: 10,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.46 : 11,210.37 = 7,393.14 : x
  2. Step 2: Convert to fraction form
    8,180.46/11,210.37 = 7,393.14/x
  3. Step 3: Cross multiply
    8,180.46x = 11,210.37 × 7,393.14
  4. Step 4: Simplify right side
    8,180.46x = 82,879,834.86
  5. Step 5: Solve for x
    x = 82,879,834.86/8,180.46
  6. Step 6: Final answer
    x = 10,131.44

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Half scale
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Double scale
Find fourth proportional to 8,181.46, 11,211.74 and 7,394.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.