Home / 8,651.37-11,938.89-4,672.48

Finding the Fourth Proportional to 8,651.37, 11,938.89 and 4,672.48

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Solution

The fourth proportional to 8,651.37, 11,938.89 and 4,672.48 is: 6,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.37 : 11,938.89 = 4,672.48 : x
  2. Step 2: Convert to fraction form
    8,651.37/11,938.89 = 4,672.48/x
  3. Step 3: Cross multiply
    8,651.37x = 11,938.89 × 4,672.48
  4. Step 4: Simplify right side
    8,651.37x = 55,784,224.75
  5. Step 5: Solve for x
    x = 55,784,224.75/8,651.37
  6. Step 6: Final answer
    x = 6,448.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.