Home / 10,765.13-16,147.76-2,974.01

Finding the Fourth Proportional to 10,765.13, 16,147.76 and 2,974.01

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Solution

The fourth proportional to 10,765.13, 16,147.76 and 2,974.01 is: 4,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.13 : 16,147.76 = 2,974.01 : x
  2. Step 2: Convert to fraction form
    10,765.13/16,147.76 = 2,974.01/x
  3. Step 3: Cross multiply
    10,765.13x = 16,147.76 × 2,974.01
  4. Step 4: Simplify right side
    10,765.13x = 48,023,504.11
  5. Step 5: Solve for x
    x = 48,023,504.11/10,765.13
  6. Step 6: Final answer
    x = 4,461.03

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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.