Home / 12,307.50-18,452.25-4,516.38

Finding the Fourth Proportional to 12,307.50, 18,452.25 and 4,516.38

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Solution

The fourth proportional to 12,307.50, 18,452.25 and 4,516.38 is: 6,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.50 : 18,452.25 = 4,516.38 : x
  2. Step 2: Convert to fraction form
    12,307.50/18,452.25 = 4,516.38/x
  3. Step 3: Cross multiply
    12,307.50x = 18,452.25 × 4,516.38
  4. Step 4: Simplify right side
    12,307.50x = 83,337,372.86
  5. Step 5: Solve for x
    x = 83,337,372.86/12,307.50
  6. Step 6: Final answer
    x = 6,771.27

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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.