Home / 9,005.99-13,508.67-3,162.44

Finding the Fourth Proportional to 9,005.99, 13,508.67 and 3,162.44

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Solution

The fourth proportional to 9,005.99, 13,508.67 and 3,162.44 is: 4,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.99 : 13,508.67 = 3,162.44 : x
  2. Step 2: Convert to fraction form
    9,005.99/13,508.67 = 3,162.44/x
  3. Step 3: Cross multiply
    9,005.99x = 13,508.67 × 3,162.44
  4. Step 4: Simplify right side
    9,005.99x = 42,720,403.99
  5. Step 5: Solve for x
    x = 42,720,403.99/9,005.99
  6. Step 6: Final answer
    x = 4,743.56

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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.