Home / 7,695.76-11,542.20-2,149.36

Finding the Fourth Proportional to 7,695.76, 11,542.20 and 2,149.36

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Solution

The fourth proportional to 7,695.76, 11,542.20 and 2,149.36 is: 3,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.76 : 11,542.20 = 2,149.36 : x
  2. Step 2: Convert to fraction form
    7,695.76/11,542.20 = 2,149.36/x
  3. Step 3: Cross multiply
    7,695.76x = 11,542.20 × 2,149.36
  4. Step 4: Simplify right side
    7,695.76x = 24,808,342.99
  5. Step 5: Solve for x
    x = 24,808,342.99/7,695.76
  6. Step 6: Final answer
    x = 3,223.64

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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.