Home / 12,300.57-18,452.22-4,509.38

Finding the Fourth Proportional to 12,300.57, 18,452.22 and 4,509.38

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Solution

The fourth proportional to 12,300.57, 18,452.22 and 4,509.38 is: 6,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300.57 : 18,452.22 = 4,509.38 : x
  2. Step 2: Convert to fraction form
    12,300.57/18,452.22 = 4,509.38/x
  3. Step 3: Cross multiply
    12,300.57x = 18,452.22 × 4,509.38
  4. Step 4: Simplify right side
    12,300.57x = 83,207,957.02
  5. Step 5: Solve for x
    x = 83,207,957.02/12,300.57
  6. Step 6: Final answer
    x = 6,764.56

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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.