Home / 11,883.38-16,401.22-7,635.74

Finding the Fourth Proportional to 11,883.38, 16,401.22 and 7,635.74

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Solution

The fourth proportional to 11,883.38, 16,401.22 and 7,635.74 is: 10,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.38 : 16,401.22 = 7,635.74 : x
  2. Step 2: Convert to fraction form
    11,883.38/16,401.22 = 7,635.74/x
  3. Step 3: Cross multiply
    11,883.38x = 16,401.22 × 7,635.74
  4. Step 4: Simplify right side
    11,883.38x = 125,235,350.51
  5. Step 5: Solve for x
    x = 125,235,350.51/11,883.38
  6. Step 6: Final answer
    x = 10,538.70

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Half scale
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Double scale
Find fourth proportional to 11,884.38, 16,402.60 and 7,636.74
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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.