Home / 7,626.83-11,485.94-6,712.38

Finding the Fourth Proportional to 7,626.83, 11,485.94 and 6,712.38

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Solution

The fourth proportional to 7,626.83, 11,485.94 and 6,712.38 is: 10,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.83 : 11,485.94 = 6,712.38 : x
  2. Step 2: Convert to fraction form
    7,626.83/11,485.94 = 6,712.38/x
  3. Step 3: Cross multiply
    7,626.83x = 11,485.94 × 6,712.38
  4. Step 4: Simplify right side
    7,626.83x = 77,097,960.38
  5. Step 5: Solve for x
    x = 77,097,960.38/7,626.83
  6. Step 6: Final answer
    x = 10,108.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.