Home / 6,727.30-9,277.32-5,131.12

Finding the Fourth Proportional to 6,727.30, 9,277.32 and 5,131.12

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Solution

The fourth proportional to 6,727.30, 9,277.32 and 5,131.12 is: 7,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.30 : 9,277.32 = 5,131.12 : x
  2. Step 2: Convert to fraction form
    6,727.30/9,277.32 = 5,131.12/x
  3. Step 3: Cross multiply
    6,727.30x = 9,277.32 × 5,131.12
  4. Step 4: Simplify right side
    6,727.30x = 47,603,042.20
  5. Step 5: Solve for x
    x = 47,603,042.20/6,727.30
  6. Step 6: Final answer
    x = 7,076.10

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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.