Home / 9,190.19-12,682.47-4,998.44

Finding the Fourth Proportional to 9,190.19, 12,682.47 and 4,998.44

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Solution

The fourth proportional to 9,190.19, 12,682.47 and 4,998.44 is: 6,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.19 : 12,682.47 = 4,998.44 : x
  2. Step 2: Convert to fraction form
    9,190.19/12,682.47 = 4,998.44/x
  3. Step 3: Cross multiply
    9,190.19x = 12,682.47 × 4,998.44
  4. Step 4: Simplify right side
    9,190.19x = 63,392,615.80
  5. Step 5: Solve for x
    x = 63,392,615.80/9,190.19
  6. Step 6: Final answer
    x = 6,897.86

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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.