Home / 9,190.43-12,677.55-5,651.14

Finding the Fourth Proportional to 9,190.43, 12,677.55 and 5,651.14

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Solution

The fourth proportional to 9,190.43, 12,677.55 and 5,651.14 is: 7,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.43 : 12,677.55 = 5,651.14 : x
  2. Step 2: Convert to fraction form
    9,190.43/12,677.55 = 5,651.14/x
  3. Step 3: Cross multiply
    9,190.43x = 12,677.55 × 5,651.14
  4. Step 4: Simplify right side
    9,190.43x = 71,642,546.52
  5. Step 5: Solve for x
    x = 71,642,546.52/9,190.43
  6. Step 6: Final answer
    x = 7,795.34

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Half scale
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Double scale
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Similar ratio
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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.