Home / 11,765.19-17,647.79-3,000.10

Finding the Fourth Proportional to 11,765.19, 17,647.79 and 3,000.10

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Solution

The fourth proportional to 11,765.19, 17,647.79 and 3,000.10 is: 4,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.19 : 17,647.79 = 3,000.10 : x
  2. Step 2: Convert to fraction form
    11,765.19/17,647.79 = 3,000.10/x
  3. Step 3: Cross multiply
    11,765.19x = 17,647.79 × 3,000.10
  4. Step 4: Simplify right side
    11,765.19x = 52,945,158.38
  5. Step 5: Solve for x
    x = 52,945,158.38/11,765.19
  6. Step 6: Final answer
    x = 4,500.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.