Home / 12,452.37-18,678.58-3,567.68

Finding the Fourth Proportional to 12,452.37, 18,678.58 and 3,567.68

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Solution

The fourth proportional to 12,452.37, 18,678.58 and 3,567.68 is: 5,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.37 : 18,678.58 = 3,567.68 : x
  2. Step 2: Convert to fraction form
    12,452.37/18,678.58 = 3,567.68/x
  3. Step 3: Cross multiply
    12,452.37x = 18,678.58 × 3,567.68
  4. Step 4: Simplify right side
    12,452.37x = 66,639,184.10
  5. Step 5: Solve for x
    x = 66,639,184.10/12,452.37
  6. Step 6: Final answer
    x = 5,351.53

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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.