Home / 9,147.37-13,720.86-4,217.01

Finding the Fourth Proportional to 9,147.37, 13,720.86 and 4,217.01

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Solution

The fourth proportional to 9,147.37, 13,720.86 and 4,217.01 is: 6,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.37 : 13,720.86 = 4,217.01 : x
  2. Step 2: Convert to fraction form
    9,147.37/13,720.86 = 4,217.01/x
  3. Step 3: Cross multiply
    9,147.37x = 13,720.86 × 4,217.01
  4. Step 4: Simplify right side
    9,147.37x = 57,861,003.83
  5. Step 5: Solve for x
    x = 57,861,003.83/9,147.37
  6. Step 6: Final answer
    x = 6,325.43

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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.