Home / 6,117.72-9,168.36-3,340.23

Finding the Fourth Proportional to 6,117.72, 9,168.36 and 3,340.23

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Solution

The fourth proportional to 6,117.72, 9,168.36 and 3,340.23 is: 5,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.72 : 9,168.36 = 3,340.23 : x
  2. Step 2: Convert to fraction form
    6,117.72/9,168.36 = 3,340.23/x
  3. Step 3: Cross multiply
    6,117.72x = 9,168.36 × 3,340.23
  4. Step 4: Simplify right side
    6,117.72x = 30,624,431.12
  5. Step 5: Solve for x
    x = 30,624,431.12/6,117.72
  6. Step 6: Final answer
    x = 5,005.86

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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.