Home / 11,842.05-17,756.53-7,450.11

Finding the Fourth Proportional to 11,842.05, 17,756.53 and 7,450.11

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Solution

The fourth proportional to 11,842.05, 17,756.53 and 7,450.11 is: 11,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.05 : 17,756.53 = 7,450.11 : x
  2. Step 2: Convert to fraction form
    11,842.05/17,756.53 = 7,450.11/x
  3. Step 3: Cross multiply
    11,842.05x = 17,756.53 × 7,450.11
  4. Step 4: Simplify right side
    11,842.05x = 132,288,101.72
  5. Step 5: Solve for x
    x = 132,288,101.72/11,842.05
  6. Step 6: Final answer
    x = 11,171.05

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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.